This page is part of the Evidence Based Medicine on FHIR Implementation Guide (v1.0.0-ballot: STU1 Ballot 1) based on FHIR (HL7® FHIR® Standard) v5.0.0. No current official version has been published yet. For a full list of available versions, see the Directory of published versions
Official URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition | Version: 1.0.0-ballot | |||
Standards status: Draft | Maturity Level: 1 | Computable Name: VariableDefinition |
Profile of EvidenceVariable for Evidence Based Medicine IG. The VariableDefinition Profile uses a CodeableReference Datatype to provide a concept (e.g. coding in a code system) and/or a reference to a Group Resource for structured data to define the variable.
Usage:
Description of Profiles, Differentials, Snapshots and how the different presentations work.
This structure is derived from EvidenceVariable
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | EvidenceVariable | |||
![]() ![]() ![]() | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |
![]() ![]() ![]() | 1..1 | CodeableReference(Group) | Defines the variable with a concept and/or Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-definition | |
![]() ![]() ![]() | 0..0 | |||
![]() ![]() ![]() | 1..1 | code | continuous | dichotomous | ordinal | polychotomous | |
![]() ![]() ![]() | ||||
![]() ![]() ![]() ![]() | 0..* | Extension | Extension Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() | 0..1 | Reference(Group) | Defines the categorical value with a Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-category-value-reference | |
![]() |
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | C | 0..* | EvidenceVariable | A definition of an exposure, outcome, or other variable |
![]() ![]() ![]() | ?!Σ | 0..1 | uri | A set of rules under which this content was created |
![]() ![]() ![]() | 0..* | Resource | Contained, inline Resources | |
![]() ![]() ![]() | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |
![]() ![]() ![]() | 1..1 | CodeableReference(Group) | Defines the variable with a concept and/or Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-definition | |
![]() ![]() ![]() | ?!Σ | 0..* | Extension | Extensions that cannot be ignored |
![]() ![]() ![]() | ?!Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact. |
![]() ![]() ![]() | 1..1 | code | continuous | dichotomous | ordinal | polychotomous Binding: EvidenceVariableHandling (required) | |
![]() |
Path | Conformance | ValueSet |
EvidenceVariable.status | required | PublicationStatus |
EvidenceVariable.handling | required | EvidenceVariableHandling |
Id | Grade | Path(s) | Details | Requirements |
cnl-0 | warning | EvidenceVariable | Name should be usable as an identifier for the module by machine processing applications such as code generation : name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$') | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |
Name | Flags | Card. | Type | Description & Constraints![]() | ||||
---|---|---|---|---|---|---|---|---|
![]() ![]() | C | 0..* | EvidenceVariable | A definition of an exposure, outcome, or other variable | ||||
![]() ![]() ![]() | Σ | 0..1 | id | Logical id of this artifact | ||||
![]() ![]() ![]() | Σ | 0..1 | Meta | Metadata about the resource | ||||
![]() ![]() ![]() | ?!Σ | 0..1 | uri | A set of rules under which this content was created | ||||
![]() ![]() ![]() | 0..1 | code | Language of the resource content Binding: AllLanguages (required): IETF language tag for a human language
| |||||
![]() ![]() ![]() | 0..1 | Narrative | Text summary of the resource, for human interpretation | |||||
![]() ![]() ![]() | 0..* | Resource | Contained, inline Resources | |||||
![]() ![]() ![]() | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |||||
![]() ![]() ![]() | 1..1 | CodeableReference(Group) | Defines the variable with a concept and/or Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-definition | |||||
![]() ![]() ![]() | ?!Σ | 0..* | Extension | Extensions that cannot be ignored | ||||
![]() ![]() ![]() | ΣC | 0..1 | uri | Canonical identifier for this evidence variable, represented as a URI (globally unique) | ||||
![]() ![]() ![]() | Σ | 0..* | Identifier | Additional identifier for the evidence variable | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Business version of the evidence variable | ||||
![]() ![]() ![]() | Σ | 0..1 | How to compare versions Binding: VersionAlgorithm (extensible) | |||||
![]() ![]() ![]() ![]() | string | |||||||
![]() ![]() ![]() ![]() | Coding | |||||||
![]() ![]() ![]() | ΣC | 0..1 | string | Name for this evidence variable (computer friendly) | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Name for this evidence variable (human friendly) | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Title for use in informal contexts | ||||
![]() ![]() ![]() | ?!Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact. | ||||
![]() ![]() ![]() | 0..1 | boolean | For testing purposes, not real usage | |||||
![]() ![]() ![]() | Σ | 0..1 | dateTime | Date last changed | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Name of the publisher/steward (organization or individual) | ||||
![]() ![]() ![]() | Σ | 0..* | ContactDetail | Contact details for the publisher | ||||
![]() ![]() ![]() | Σ | 0..1 | markdown | Natural language description of the evidence variable | ||||
![]() ![]() ![]() | 0..* | Annotation | Used for footnotes or explanatory notes | |||||
![]() ![]() ![]() | Σ | 0..* | UsageContext | The context that the content is intended to support | ||||
![]() ![]() ![]() | 0..1 | markdown | Why this EvidenceVariable is defined | |||||
![]() ![]() ![]() | 0..1 | markdown | Use and/or publishing restrictions | |||||
![]() ![]() ![]() | 0..1 | string | Copyright holder and year(s) | |||||
![]() ![]() ![]() | 0..1 | date | When the resource was approved by publisher | |||||
![]() ![]() ![]() | 0..1 | date | When the resource was last reviewed by the publisher | |||||
![]() ![]() ![]() | 0..1 | Period | When the resource is expected to be used | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who authored the content | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who edited the content | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who reviewed the content | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who endorsed the content | |||||
![]() ![]() ![]() | 0..* | RelatedArtifact | Additional documentation, citations, etc | |||||
![]() ![]() ![]() | 0..1 | boolean | Actual or conceptual | |||||
![]() ![]() ![]() | 1..1 | code | continuous | dichotomous | ordinal | polychotomous Binding: EvidenceVariableHandling (required) | |||||
![]() ![]() ![]() | 0..* | BackboneElement | A grouping for ordinal or polychotomous variables | |||||
![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |||||
![]() ![]() ![]() ![]() | 0..* | Extension | Extension Slice: Unordered, Open by value:url | |||||
![]() ![]() ![]() ![]() | 0..1 | Reference(Group) | Defines the categorical value with a Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-category-value-reference | |||||
![]() ![]() ![]() ![]() | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
![]() ![]() ![]() ![]() | 0..1 | string | Description of the grouping | |||||
![]() ![]() ![]() ![]() | 0..1 | Definition of the grouping | ||||||
![]() ![]() ![]() ![]() ![]() | CodeableConcept | |||||||
![]() ![]() ![]() ![]() ![]() | Quantity | |||||||
![]() ![]() ![]() ![]() ![]() | Range | |||||||
![]() |
Path | Conformance | ValueSet |
EvidenceVariable.language | required | AllLanguages |
EvidenceVariable.versionAlgorithm[x] | extensible | VersionAlgorithm |
EvidenceVariable.status | required | PublicationStatus |
EvidenceVariable.characteristic.definitionByTypeAndValue.type | example | UsageContextType |
EvidenceVariable.characteristic.definitionByTypeAndValue.method | example | DefinitionMethod |
EvidenceVariable.characteristic.definitionByTypeAndValue.offset | example | CharacteristicOffset |
EvidenceVariable.characteristic.definitionByCombination.code | required | CharacteristicCombination |
EvidenceVariable.characteristic.timeFromEvent.event[x] | example | EvidenceVariableEvent |
EvidenceVariable.handling | required | EvidenceVariableHandling |
Id | Grade | Path(s) | Details | Requirements |
cnl-0 | warning | EvidenceVariable | Name should be usable as an identifier for the module by machine processing applications such as code generation : name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$') | |
cnl-1 | warning | EvidenceVariable.url | URL should not contain | or # - these characters make processing canonical references problematic : exists() implies matches('^[^|# ]+$') | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |
This structure is derived from EvidenceVariable
Summary
Mandatory: 3 elements
Prohibited: 1 element
Extensions
This structure refers to these extensions:
Maturity: 1
Differential View
This structure is derived from EvidenceVariable
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | EvidenceVariable | |||
![]() ![]() ![]() | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |
![]() ![]() ![]() | 1..1 | CodeableReference(Group) | Defines the variable with a concept and/or Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-definition | |
![]() ![]() ![]() | 0..0 | |||
![]() ![]() ![]() | 1..1 | code | continuous | dichotomous | ordinal | polychotomous | |
![]() ![]() ![]() | ||||
![]() ![]() ![]() ![]() | 0..* | Extension | Extension Slice: Unordered, Open by value:url | |
![]() ![]() ![]() ![]() | 0..1 | Reference(Group) | Defines the categorical value with a Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-category-value-reference | |
![]() |
Key Elements View
Name | Flags | Card. | Type | Description & Constraints![]() |
---|---|---|---|---|
![]() ![]() | C | 0..* | EvidenceVariable | A definition of an exposure, outcome, or other variable |
![]() ![]() ![]() | ?!Σ | 0..1 | uri | A set of rules under which this content was created |
![]() ![]() ![]() | 0..* | Resource | Contained, inline Resources | |
![]() ![]() ![]() | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |
![]() ![]() ![]() | 1..1 | CodeableReference(Group) | Defines the variable with a concept and/or Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-definition | |
![]() ![]() ![]() | ?!Σ | 0..* | Extension | Extensions that cannot be ignored |
![]() ![]() ![]() | ?!Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact. |
![]() ![]() ![]() | 1..1 | code | continuous | dichotomous | ordinal | polychotomous Binding: EvidenceVariableHandling (required) | |
![]() |
Path | Conformance | ValueSet |
EvidenceVariable.status | required | PublicationStatus |
EvidenceVariable.handling | required | EvidenceVariableHandling |
Id | Grade | Path(s) | Details | Requirements |
cnl-0 | warning | EvidenceVariable | Name should be usable as an identifier for the module by machine processing applications such as code generation : name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$') | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |
Snapshot View
Name | Flags | Card. | Type | Description & Constraints![]() | ||||
---|---|---|---|---|---|---|---|---|
![]() ![]() | C | 0..* | EvidenceVariable | A definition of an exposure, outcome, or other variable | ||||
![]() ![]() ![]() | Σ | 0..1 | id | Logical id of this artifact | ||||
![]() ![]() ![]() | Σ | 0..1 | Meta | Metadata about the resource | ||||
![]() ![]() ![]() | ?!Σ | 0..1 | uri | A set of rules under which this content was created | ||||
![]() ![]() ![]() | 0..1 | code | Language of the resource content Binding: AllLanguages (required): IETF language tag for a human language
| |||||
![]() ![]() ![]() | 0..1 | Narrative | Text summary of the resource, for human interpretation | |||||
![]() ![]() ![]() | 0..* | Resource | Contained, inline Resources | |||||
![]() ![]() ![]() | 1..* | Extension | Extension Slice: Unordered, Open by value:url | |||||
![]() ![]() ![]() | 1..1 | CodeableReference(Group) | Defines the variable with a concept and/or Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-definition | |||||
![]() ![]() ![]() | ?!Σ | 0..* | Extension | Extensions that cannot be ignored | ||||
![]() ![]() ![]() | ΣC | 0..1 | uri | Canonical identifier for this evidence variable, represented as a URI (globally unique) | ||||
![]() ![]() ![]() | Σ | 0..* | Identifier | Additional identifier for the evidence variable | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Business version of the evidence variable | ||||
![]() ![]() ![]() | Σ | 0..1 | How to compare versions Binding: VersionAlgorithm (extensible) | |||||
![]() ![]() ![]() ![]() | string | |||||||
![]() ![]() ![]() ![]() | Coding | |||||||
![]() ![]() ![]() | ΣC | 0..1 | string | Name for this evidence variable (computer friendly) | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Name for this evidence variable (human friendly) | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Title for use in informal contexts | ||||
![]() ![]() ![]() | ?!Σ | 1..1 | code | draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact. | ||||
![]() ![]() ![]() | 0..1 | boolean | For testing purposes, not real usage | |||||
![]() ![]() ![]() | Σ | 0..1 | dateTime | Date last changed | ||||
![]() ![]() ![]() | Σ | 0..1 | string | Name of the publisher/steward (organization or individual) | ||||
![]() ![]() ![]() | Σ | 0..* | ContactDetail | Contact details for the publisher | ||||
![]() ![]() ![]() | Σ | 0..1 | markdown | Natural language description of the evidence variable | ||||
![]() ![]() ![]() | 0..* | Annotation | Used for footnotes or explanatory notes | |||||
![]() ![]() ![]() | Σ | 0..* | UsageContext | The context that the content is intended to support | ||||
![]() ![]() ![]() | 0..1 | markdown | Why this EvidenceVariable is defined | |||||
![]() ![]() ![]() | 0..1 | markdown | Use and/or publishing restrictions | |||||
![]() ![]() ![]() | 0..1 | string | Copyright holder and year(s) | |||||
![]() ![]() ![]() | 0..1 | date | When the resource was approved by publisher | |||||
![]() ![]() ![]() | 0..1 | date | When the resource was last reviewed by the publisher | |||||
![]() ![]() ![]() | 0..1 | Period | When the resource is expected to be used | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who authored the content | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who edited the content | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who reviewed the content | |||||
![]() ![]() ![]() | 0..* | ContactDetail | Who endorsed the content | |||||
![]() ![]() ![]() | 0..* | RelatedArtifact | Additional documentation, citations, etc | |||||
![]() ![]() ![]() | 0..1 | boolean | Actual or conceptual | |||||
![]() ![]() ![]() | 1..1 | code | continuous | dichotomous | ordinal | polychotomous Binding: EvidenceVariableHandling (required) | |||||
![]() ![]() ![]() | 0..* | BackboneElement | A grouping for ordinal or polychotomous variables | |||||
![]() ![]() ![]() ![]() | 0..1 | string | Unique id for inter-element referencing | |||||
![]() ![]() ![]() ![]() | 0..* | Extension | Extension Slice: Unordered, Open by value:url | |||||
![]() ![]() ![]() ![]() | 0..1 | Reference(Group) | Defines the categorical value with a Reference URL: http://hl7.org/fhir/uv/ebm/StructureDefinition/evidence-variable-category-value-reference | |||||
![]() ![]() ![]() ![]() | ?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized | ||||
![]() ![]() ![]() ![]() | 0..1 | string | Description of the grouping | |||||
![]() ![]() ![]() ![]() | 0..1 | Definition of the grouping | ||||||
![]() ![]() ![]() ![]() ![]() | CodeableConcept | |||||||
![]() ![]() ![]() ![]() ![]() | Quantity | |||||||
![]() ![]() ![]() ![]() ![]() | Range | |||||||
![]() |
Path | Conformance | ValueSet |
EvidenceVariable.language | required | AllLanguages |
EvidenceVariable.versionAlgorithm[x] | extensible | VersionAlgorithm |
EvidenceVariable.status | required | PublicationStatus |
EvidenceVariable.characteristic.definitionByTypeAndValue.type | example | UsageContextType |
EvidenceVariable.characteristic.definitionByTypeAndValue.method | example | DefinitionMethod |
EvidenceVariable.characteristic.definitionByTypeAndValue.offset | example | CharacteristicOffset |
EvidenceVariable.characteristic.definitionByCombination.code | required | CharacteristicCombination |
EvidenceVariable.characteristic.timeFromEvent.event[x] | example | EvidenceVariableEvent |
EvidenceVariable.handling | required | EvidenceVariableHandling |
Id | Grade | Path(s) | Details | Requirements |
cnl-0 | warning | EvidenceVariable | Name should be usable as an identifier for the module by machine processing applications such as code generation : name.exists() implies name.matches('^[A-Z]([A-Za-z0-9_]){1,254}$') | |
cnl-1 | warning | EvidenceVariable.url | URL should not contain | or # - these characters make processing canonical references problematic : exists() implies matches('^[^|# ]+$') | |
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |
This structure is derived from EvidenceVariable
Summary
Mandatory: 3 elements
Prohibited: 1 element
Extensions
This structure refers to these extensions:
Maturity: 1
Other representations of profile: CSV, Excel, Schematron