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Packagehl7.fhir.uv.xver-r4.r3
Resource TypeStructureDefinition
IdStructureDefinition-ext-R4-EffectEvidenceSynthesis.sampleSize.json
FHIR VersionR3

Resources that use this resource

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Resources that this resource uses

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Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: StructureDefinition ext-R4-EffectEvidenceSynthesis.sampleSize

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..1ExtensionR4: What sample size was involved? (new)
... Slices for extension 0..*ExtensionExtension
Slice: Unordered, Open by value:url
.... extension:description 0..1ExtensionR4: Description of sample size (new)
..... url 1..1uri"description"
..... value[x] 0..1stringDescription of sample size
.... extension:numberOfStudies 0..1ExtensionR4: How many studies? (new)
..... url 1..1uri"numberOfStudies"
..... value[x] 0..1integerHow many studies?
.... extension:numberOfParticipants 0..1ExtensionR4: How many participants? (new)
..... url 1..1uri"numberOfParticipants"
..... value[x] 0..1integerHow many participants?
... url 1..1uri"http://hl7.org/fhir/4.0/StructureDefinition/extension-EffectEvidenceSynthesis.sampleSize"
... value[x] 0..0Value of extension

doco Documentation for this format

Source1

{
  "resourceType": "StructureDefinition",
  "id": "ext-R4-EffectEvidenceSynthesis.sampleSize",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "extension": [
        {
          "url": "packageId",
          "valueId": "hl7.fhir.uv.xver-r4.r3"
        },
        {
          "url": "version",
          "valueString": "0.1.0"
        },
        {
          "url": "uri",
          "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/package-source"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4.r3"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/4.0/StructureDefinition/extension-EffectEvidenceSynthesis.sampleSize",
  "version": "0.1.0",
  "name": "ExtensionEffectEvidenceSynthesis_SampleSize",
  "title": "R4: What sample size was involved? (new)",
  "status": "active",
  "experimental": false,
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "publisher": "FHIR Infrastructure",
  "contact": [
    {
      "name": "FHIR Infrastructure",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description": "R4: `EffectEvidenceSynthesis.sampleSize` (new:BackboneElement)",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `EffectEvidenceSynthesis.sampleSize` as defined in FHIR R4\r\nin FHIR STU3.\r\n\r\nThe source element is defined as:\r\n`EffectEvidenceSynthesis.sampleSize` 0..1 `BackboneElement`\r\n\r\nFollowing are the generation technical comments:\r\nElement `EffectEvidenceSynthesis.sampleSize` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
  "fhirVersion": "3.0.2",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "Basic"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "snapshot": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4: What sample size was involved? (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize` (new:BackboneElement)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() | (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false
      },
      {
        "id": "Extension.id",
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "ordered": false,
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension.extension:description",
        "path": "Extension.extension",
        "sliceName": "description",
        "short": "R4: Description of sample size (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize.description` (new:string)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize.description` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.description` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.description` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `EffectEvidenceSynthesis.sampleSize.description` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.description` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.description` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension.extension:description.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:description.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional Content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:description.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "description",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:description.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Description of sample size",
        "definition": "Human-readable summary of sample size.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfStudies",
        "path": "Extension.extension",
        "sliceName": "numberOfStudies",
        "short": "R4: How many studies? (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize.numberOfStudies` (new:integer)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfStudies.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfStudies.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional Content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfStudies.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "numberOfStudies",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfStudies.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "How many studies?",
        "definition": "Number of studies included in this evidence synthesis.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "integer"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfParticipants",
        "path": "Extension.extension",
        "sliceName": "numberOfParticipants",
        "short": "R4: How many participants? (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` (new:integer)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfParticipants.id",
        "path": "Extension.extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "xml:id (or equivalent in JSON)",
        "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfParticipants.extension",
        "path": "Extension.extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional Content defined by implementations",
        "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order to make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment": "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfParticipants.url",
        "path": "Extension.extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "numberOfParticipants",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfParticipants.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "How many participants?",
        "definition": "Number of participants included in this evidence synthesis.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "integer"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-EffectEvidenceSynthesis.sampleSize",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "base64Binary"
          },
          {
            "code": "boolean"
          },
          {
            "code": "code"
          },
          {
            "code": "date"
          },
          {
            "code": "dateTime"
          },
          {
            "code": "decimal"
          },
          {
            "code": "id"
          },
          {
            "code": "instant"
          },
          {
            "code": "integer"
          },
          {
            "code": "markdown"
          },
          {
            "code": "oid"
          },
          {
            "code": "positiveInt"
          },
          {
            "code": "string"
          },
          {
            "code": "time"
          },
          {
            "code": "unsignedInt"
          },
          {
            "code": "uri"
          },
          {
            "code": "Address"
          },
          {
            "code": "Age"
          },
          {
            "code": "Annotation"
          },
          {
            "code": "Attachment"
          },
          {
            "code": "CodeableConcept"
          },
          {
            "code": "Coding"
          },
          {
            "code": "ContactPoint"
          },
          {
            "code": "Count"
          },
          {
            "code": "Distance"
          },
          {
            "code": "Duration"
          },
          {
            "code": "HumanName"
          },
          {
            "code": "Identifier"
          },
          {
            "code": "Money"
          },
          {
            "code": "Period"
          },
          {
            "code": "Quantity"
          },
          {
            "code": "Range"
          },
          {
            "code": "Ratio"
          },
          {
            "code": "Reference"
          },
          {
            "code": "SampledData"
          },
          {
            "code": "Signature"
          },
          {
            "code": "Timing"
          },
          {
            "code": "Meta"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "R4: What sample size was involved? (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize` (new:BackboneElement)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "isModifier": false
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "ordered": false,
          "rules": "open"
        },
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:description",
        "path": "Extension.extension",
        "sliceName": "description",
        "short": "R4: Description of sample size (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize.description` (new:string)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize.description` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.description` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.description` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `EffectEvidenceSynthesis.sampleSize.description` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.description` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.description` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:description.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "description"
      },
      {
        "id": "Extension.extension:description.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "Description of sample size",
        "definition": "Human-readable summary of sample size.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfStudies",
        "path": "Extension.extension",
        "sliceName": "numberOfStudies",
        "short": "R4: How many studies? (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize.numberOfStudies` (new:integer)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfStudies` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:numberOfStudies.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "numberOfStudies"
      },
      {
        "id": "Extension.extension:numberOfStudies.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "How many studies?",
        "definition": "Number of studies included in this evidence synthesis.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "integer"
          }
        ]
      },
      {
        "id": "Extension.extension:numberOfParticipants",
        "path": "Extension.extension",
        "sliceName": "numberOfParticipants",
        "short": "R4: How many participants? (new)",
        "definition": "R4: `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` (new:integer)",
        "comment": "Element `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "requirements": "Element `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is part of an existing definition because parent element `EffectEvidenceSynthesis.sampleSize` requires a cross-version extension.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` is not mapped to FHIR STU3, since FHIR R4 `EffectEvidenceSynthesis` is not mapped.\nElement `EffectEvidenceSynthesis.sampleSize.numberOfParticipants` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.extension",
          "min": 0,
          "max": "*"
        }
      },
      {
        "id": "Extension.extension:numberOfParticipants.url",
        "path": "Extension.extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "numberOfParticipants"
      },
      {
        "id": "Extension.extension:numberOfParticipants.value[x]",
        "path": "Extension.extension.value[x]",
        "short": "How many participants?",
        "definition": "Number of participants included in this evidence synthesis.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "integer"
          }
        ]
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "fixedUri": "http://hl7.org/fhir/4.0/StructureDefinition/extension-EffectEvidenceSynthesis.sampleSize"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        }
      }
    ]
  }
}