This page is part of the MII Implementation Guide Medizinisches Forschungsvorhaben (v2027.0.0-ballot: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

• Content
• Detailed Descriptions
• Mappings
• Examples
• XML
• JSON

Resource Profile: MII PR Studie EinAuschlussKriterium

This profile describes an inclusion and exclusion criterion within a study in the Medical Informatics Initiative.

Usages:

• Examples for this Profile: EvidenceVariable/mii-exa-studie-ein-auschluss-kriterium
• CapabilityStatements using this Profile: MII CPS Metadata Studie

You can also check for usages in the FHIR IG Statistics

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots, and their representations.

• Key Elements Table
• Differential Table
• Snapshot Table
• Statistics/References
• All

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
EvidenceVariable	C	0..*	EvidenceVariable	A population, intervention, or exposure definition Constraints: evv-0
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
characteristic	SΣ	1..*	BackboneElement	What defines the members of the evidence element
Slices for extension	S	0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:linkId	S	0..1	id	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
extension:definitionReference	S	0..1	Reference(EvidenceVariable | Evidence | Group)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
extension:definitionCanonical	S	0..1	canonical(EvidenceVariable | Evidence)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
extension:definitionByTypeAndValue	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
extension:definitionByCombination	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
description	S	0..1	string	Natural language description of the characteristic
Slices for definition[x]	SΣ	1..1		What code or expression defines members? Slice: Unordered, Open by type:$this
definitionCodeableConcept			CodeableConcept
definitionExpression			Expression
exclude	S	0..1	boolean	Whether the characteristic includes or excludes members
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
EvidenceVariable.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	EvidenceVariable	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	EvidenceVariable	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	EvidenceVariable	A resource should have narrative for robust management	text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
evv-0	warning	EvidenceVariable	Name should be usable as an identifier for the module by machine processing applications such as code generation	name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
EvidenceVariable		0..*	EvidenceVariable	A population, intervention, or exposure definition
status	S	1..1	code	draft | active | retired | unknown
characteristic	S	1..*	BackboneElement	What defines the members of the evidence element
Slices for extension	S	0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:linkId	S	0..1	id	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
extension:definitionReference	S	0..1	Reference(EvidenceVariable | Evidence | Group)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
extension:definitionCanonical	S	0..1	canonical(EvidenceVariable | Evidence)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
extension:definitionByTypeAndValue	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
extension:definitionByCombination	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
description	S	0..1	string	Natural language description of the characteristic
Slices for definition[x]	S	1..1	CodeableConcept, Expression	What code or expression defines members? Slice: Unordered, Open by type:$this
definition[x]:definitionReference		0..0		What code or expression defines members?
definition[x]:definitionCanonical		0..0		What code or expression defines members?
definition[x]:definitionDataRequirement		0..0		What code or expression defines members?
definition[x]:definitionTriggerDefinition		0..0		What code or expression defines members?
usageContext		0..0		What code/value pairs define members?
exclude	S	0..1	boolean	Whether the characteristic includes or excludes members
Documentation for this format

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
EvidenceVariable	C	0..*	EvidenceVariable	A population, intervention, or exposure definition Constraints: evv-0
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
url	Σ	0..1	uri	Canonical identifier for this evidence variable, represented as a URI (globally unique)
identifier	Σ	0..*	Identifier	Additional identifier for the evidence variable
version	Σ	0..1	string	Business version of the evidence variable
name	ΣC	0..1	string	Name for this evidence variable (computer friendly)
title	Σ	0..1	string	Name for this evidence variable (human friendly)
shortTitle	Σ	0..1	string	Title for use in informal contexts
subtitle		0..1	string	Subordinate title of the EvidenceVariable
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
date	Σ	0..1	dateTime	Date last changed
publisher	Σ	0..1	string	Name of the publisher (organization or individual)
contact	Σ	0..*	ContactDetail	Contact details for the publisher
description	Σ	0..1	markdown	Natural language description of the evidence variable
note		0..*	Annotation	Used for footnotes or explanatory notes
useContext	Σ	0..*	UsageContext	The context that the content is intended to support
jurisdiction	Σ	0..*	CodeableConcept	Intended jurisdiction for evidence variable (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
copyright		0..1	markdown	Use and/or publishing restrictions
approvalDate		0..1	date	When the evidence variable was approved by publisher
lastReviewDate		0..1	date	When the evidence variable was last reviewed
effectivePeriod	Σ	0..1	Period	When the evidence variable is expected to be used
topic		0..*	CodeableConcept	The category of the EvidenceVariable, such as Education, Treatment, Assessment, etc. Binding: DefinitionTopic (example): High-level categorization of the definition, used for searching, sorting, and filtering.
author		0..*	ContactDetail	Who authored the content
editor		0..*	ContactDetail	Who edited the content
reviewer		0..*	ContactDetail	Who reviewed the content
endorser		0..*	ContactDetail	Who endorsed the content
relatedArtifact		0..*	RelatedArtifact	Additional documentation, citations, etc.
type	Σ	0..1	code	dichotomous | continuous | descriptive Binding: EvidenceVariableType (required): The possible types of variables for exposures or outcomes (E.g. Dichotomous, Continuous, Descriptive).
characteristic	SΣ	1..*	BackboneElement	What defines the members of the evidence element
id		0..1	string	Unique id for inter-element referencing
Slices for extension	S	0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:linkId	S	0..1	id	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
extension:definitionReference	S	0..1	Reference(EvidenceVariable | Evidence | Group)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
extension:definitionCanonical	S	0..1	canonical(EvidenceVariable | Evidence)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
extension:definitionByTypeAndValue	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
extension:definitionByCombination	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
description	S	0..1	string	Natural language description of the characteristic
Slices for definition[x]	SΣ	1..1		What code or expression defines members? Slice: Unordered, Open by type:$this
definitionCodeableConcept			CodeableConcept
definitionExpression			Expression
exclude	S	0..1	boolean	Whether the characteristic includes or excludes members
participantEffective[x]		0..1		What time period do participants cover
participantEffectiveDateTime			dateTime
participantEffectivePeriod			Period
participantEffectiveDuration			Duration
participantEffectiveTiming			Timing
timeFromStart		0..1	Duration	Observation time from study start
groupMeasure		0..1	code	mean | median | mean-of-mean | mean-of-median | median-of-mean | median-of-median Binding: GroupMeasure (required): Possible group measure aggregates (E.g. Mean, Median).
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
EvidenceVariable.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
EvidenceVariable.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.
EvidenceVariable.jurisdiction	Base	extensible	Jurisdiction	📍4.0.1	FHIR Std.
EvidenceVariable.topic	Base	example	DefinitionTopic	📍4.0.1	FHIR Std.
EvidenceVariable.type	Base	required	EvidenceVariableType	📍4.0.1	FHIR Std.
EvidenceVariable.characteristic.​groupMeasure	Base	required	GroupMeasure	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	EvidenceVariable	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	EvidenceVariable	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	EvidenceVariable	A resource should have narrative for robust management	text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
evv-0	warning	EvidenceVariable	Name should be usable as an identifier for the module by machine processing applications such as code generation	name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Summary

Must-Support: 11 elements
Prohibited: 5 elements

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of EvidenceVariable.characteristic.definition[x]

Key Elements View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
EvidenceVariable	C	0..*	EvidenceVariable	A population, intervention, or exposure definition Constraints: evv-0
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
characteristic	SΣ	1..*	BackboneElement	What defines the members of the evidence element
Slices for extension	S	0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:linkId	S	0..1	id	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
extension:definitionReference	S	0..1	Reference(EvidenceVariable | Evidence | Group)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
extension:definitionCanonical	S	0..1	canonical(EvidenceVariable | Evidence)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
extension:definitionByTypeAndValue	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
extension:definitionByCombination	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
description	S	0..1	string	Natural language description of the characteristic
Slices for definition[x]	SΣ	1..1		What code or expression defines members? Slice: Unordered, Open by type:$this
definitionCodeableConcept			CodeableConcept
definitionExpression			Expression
exclude	S	0..1	boolean	Whether the characteristic includes or excludes members
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
EvidenceVariable.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	EvidenceVariable	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	EvidenceVariable	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	EvidenceVariable	A resource should have narrative for robust management	text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
evv-0	warning	EvidenceVariable	Name should be usable as an identifier for the module by machine processing applications such as code generation	name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Differential View

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
EvidenceVariable		0..*	EvidenceVariable	A population, intervention, or exposure definition
status	S	1..1	code	draft | active | retired | unknown
characteristic	S	1..*	BackboneElement	What defines the members of the evidence element
Slices for extension	S	0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:linkId	S	0..1	id	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
extension:definitionReference	S	0..1	Reference(EvidenceVariable | Evidence | Group)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
extension:definitionCanonical	S	0..1	canonical(EvidenceVariable | Evidence)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
extension:definitionByTypeAndValue	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
extension:definitionByCombination	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
description	S	0..1	string	Natural language description of the characteristic
Slices for definition[x]	S	1..1	CodeableConcept, Expression	What code or expression defines members? Slice: Unordered, Open by type:$this
definition[x]:definitionReference		0..0		What code or expression defines members?
definition[x]:definitionCanonical		0..0		What code or expression defines members?
definition[x]:definitionDataRequirement		0..0		What code or expression defines members?
definition[x]:definitionTriggerDefinition		0..0		What code or expression defines members?
usageContext		0..0		What code/value pairs define members?
exclude	S	0..1	boolean	Whether the characteristic includes or excludes members
Documentation for this format

Snapshot ViewView

Name	Flags	Card.	Type	Description & Constraints    Filter: Bindings Constraints Obligations
EvidenceVariable	C	0..*	EvidenceVariable	A population, intervention, or exposure definition Constraints: evv-0
id	Σ	0..1	id	Logical id of this artifact
meta	Σ	0..1	Meta	Metadata about the resource
implicitRules	?!Σ	0..1	uri	A set of rules under which this content was created
language		0..1	code	Language of the resource content Binding: CommonLanguages (preferred): A human language. Additional Bindings Purpose AllLanguages Max Binding
text		0..1	Narrative	Text summary of the resource, for human interpretation This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained		0..*	Resource	Contained, inline Resources
extension		0..*	Extension	Additional content defined by implementations
modifierExtension	?!	0..*	Extension	Extensions that cannot be ignored
url	Σ	0..1	uri	Canonical identifier for this evidence variable, represented as a URI (globally unique)
identifier	Σ	0..*	Identifier	Additional identifier for the evidence variable
version	Σ	0..1	string	Business version of the evidence variable
name	ΣC	0..1	string	Name for this evidence variable (computer friendly)
title	Σ	0..1	string	Name for this evidence variable (human friendly)
shortTitle	Σ	0..1	string	Title for use in informal contexts
subtitle		0..1	string	Subordinate title of the EvidenceVariable
status	?!SΣ	1..1	code	draft | active | retired | unknown Binding: PublicationStatus (required): The lifecycle status of an artifact.
date	Σ	0..1	dateTime	Date last changed
publisher	Σ	0..1	string	Name of the publisher (organization or individual)
contact	Σ	0..*	ContactDetail	Contact details for the publisher
description	Σ	0..1	markdown	Natural language description of the evidence variable
note		0..*	Annotation	Used for footnotes or explanatory notes
useContext	Σ	0..*	UsageContext	The context that the content is intended to support
jurisdiction	Σ	0..*	CodeableConcept	Intended jurisdiction for evidence variable (if applicable) Binding: Jurisdiction ValueSet (extensible): Countries and regions within which this artifact is targeted for use.
copyright		0..1	markdown	Use and/or publishing restrictions
approvalDate		0..1	date	When the evidence variable was approved by publisher
lastReviewDate		0..1	date	When the evidence variable was last reviewed
effectivePeriod	Σ	0..1	Period	When the evidence variable is expected to be used
topic		0..*	CodeableConcept	The category of the EvidenceVariable, such as Education, Treatment, Assessment, etc. Binding: DefinitionTopic (example): High-level categorization of the definition, used for searching, sorting, and filtering.
author		0..*	ContactDetail	Who authored the content
editor		0..*	ContactDetail	Who edited the content
reviewer		0..*	ContactDetail	Who reviewed the content
endorser		0..*	ContactDetail	Who endorsed the content
relatedArtifact		0..*	RelatedArtifact	Additional documentation, citations, etc.
type	Σ	0..1	code	dichotomous | continuous | descriptive Binding: EvidenceVariableType (required): The possible types of variables for exposures or outcomes (E.g. Dichotomous, Continuous, Descriptive).
characteristic	SΣ	1..*	BackboneElement	What defines the members of the evidence element
id		0..1	string	Unique id for inter-element referencing
Slices for extension	S	0..*	Extension	Extension Slice: Unordered, Open by value:url
extension:linkId	S	0..1	id	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
extension:definitionReference	S	0..1	Reference(EvidenceVariable | Evidence | Group)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
extension:definitionCanonical	S	0..1	canonical(EvidenceVariable | Evidence)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
extension:definitionByTypeAndValue	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
extension:definitionByCombination	S	0..1	(Complex)	Extension URL: http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination
modifierExtension	?!Σ	0..*	Extension	Extensions that cannot be ignored even if unrecognized
description	S	0..1	string	Natural language description of the characteristic
Slices for definition[x]	SΣ	1..1		What code or expression defines members? Slice: Unordered, Open by type:$this
definitionCodeableConcept			CodeableConcept
definitionExpression			Expression
exclude	S	0..1	boolean	Whether the characteristic includes or excludes members
participantEffective[x]		0..1		What time period do participants cover
participantEffectiveDateTime			dateTime
participantEffectivePeriod			Period
participantEffectiveDuration			Duration
participantEffectiveTiming			Timing
timeFromStart		0..1	Duration	Observation time from study start
groupMeasure		0..1	code	mean | median | mean-of-mean | mean-of-median | median-of-mean | median-of-median Binding: GroupMeasure (required): Possible group measure aggregates (E.g. Mean, Median).
Documentation for this format

Terminology Bindings

Path	Status	Usage	ValueSet	Version	Source
EvidenceVariable.language	Base	preferred	Common Languages	📍4.0.1	FHIR Std.
EvidenceVariable.status	Base	required	PublicationStatus	📍4.0.1	FHIR Std.
EvidenceVariable.jurisdiction	Base	extensible	Jurisdiction	📍4.0.1	FHIR Std.
EvidenceVariable.topic	Base	example	DefinitionTopic	📍4.0.1	FHIR Std.
EvidenceVariable.type	Base	required	EvidenceVariableType	📍4.0.1	FHIR Std.
EvidenceVariable.characteristic.​groupMeasure	Base	required	GroupMeasure	📍4.0.1	FHIR Std.

Constraints

Id	Grade	Path(s)	Description	Expression
dom-2	error	EvidenceVariable	If the resource is contained in another resource, it SHALL NOT contain nested Resources	contained.contained.empty()
dom-3	error	EvidenceVariable	If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource	contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated	contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5	error	EvidenceVariable	If a resource is contained in another resource, it SHALL NOT have a security label	contained.meta.security.empty()
dom-6	best practice	EvidenceVariable	A resource should have narrative for robust management	text.`div`.exists()
ele-1	error	**ALL** elements	All FHIR elements must have a @value or children	hasValue() or (children().count() > id.count())
evv-0	warning	EvidenceVariable	Name should be usable as an identifier for the module by machine processing applications such as code generation	name.matches('[A-Z]([A-Za-z0-9_]){0,254}')
ext-1	error	**ALL** extensions	Must have either extensions or value[x], not both	extension.exists() != value.exists()

Summary

Must-Support: 11 elements
Prohibited: 5 elements

Extensions

This structure refers to these extensions:

• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.linkId
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionReference
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionCanonical
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByTypeAndValue
• http://hl7.org/fhir/5.0/StructureDefinition/extension-EvidenceVariable.characteristic.definitionByCombination

Slices

This structure defines the following Slices:

• The element 1 is sliced based on the value of EvidenceVariable.characteristic.definition[x]

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