Release 4B
Clinical ReasoningThis page is part of the FHIR Specification (v4.3.0: R4B - STU). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
. Page versions: R5 R4B R4
| Clinical Decision Support Work Group | Maturity Level: N/A | Standards Status: Informative | Compartments: Not linked to any defined compartments |
This is a representation of the json schema for Evidence, which is just a part of the full JSON Schema.
{
"$schema": "http://json-schema.org/draft-06/schema#",
"id": "http://hl7.org/fhir/json-schema/Evidence",
"$ref": "#/definitions/Evidence",
"description": "see http://hl7.org/fhir/json.html#schema for information about the FHIR Json Schemas",
"definitions": {
"Evidence": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"resourceType": {
"description": "This is a Evidence resource",
"const": "Evidence"
},
"id": {
"description": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
"$ref": "string.schema.json#/definitions/string"
},
"meta": {
"description": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
"$ref": "Meta.schema.json#/definitions/Meta"
},
"implicitRules": {
"description": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
"$ref": "#/definitions/uri"
},
"_implicitRules": {
"description": "Extensions for implicitRules",
"$ref": "Element.schema.json#/definitions/Element"
},
"language": {
"description": "The base language in which the resource is written.",
"$ref": "#/definitions/code"
},
"_language": {
"description": "Extensions for language",
"$ref": "Element.schema.json#/definitions/Element"
},
"text": {
"description": "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
"$ref": "Narrative.schema.json#/definitions/Narrative"
},
"contained": {
"description": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
"items": {
"$ref": "ResourceList.schema.json#/definitions/ResourceList"
},
"type": "array"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the resource. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"url": {
"description": "An absolute URI that is used to identify this evidence when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this summary is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the summary is stored on different servers.",
"$ref": "#/definitions/uri"
},
"_url": {
"description": "Extensions for url",
"$ref": "Element.schema.json#/definitions/Element"
},
"identifier": {
"description": "A formal identifier that is used to identify this summary when it is represented in other formats, or referenced in a specification, model, design or an instance.",
"items": {
"$ref": "Identifier.schema.json#/definitions/Identifier"
},
"type": "array"
},
"version": {
"description": "The identifier that is used to identify this version of the summary when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the summary author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.",
"$ref": "#/definitions/string"
},
"_version": {
"description": "Extensions for version",
"$ref": "Element.schema.json#/definitions/Element"
},
"title": {
"description": "A short, descriptive, user-friendly title for the summary.",
"$ref": "#/definitions/string"
},
"_title": {
"description": "Extensions for title",
"$ref": "Element.schema.json#/definitions/Element"
},
"citeAsReference": {
"description": "Citation Resource or display of suggested citation for this evidence.",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"citeAsMarkdown": {
"description": "Citation Resource or display of suggested citation for this evidence.",
"pattern": "^[ \\r\\n\\t\\S]+$",
"type": "string"
},
"_citeAsMarkdown": {
"description": "Extensions for citeAsMarkdown",
"$ref": "Element.schema.json#/definitions/Element"
},
"status": {
"description": "The status of this summary. Enables tracking the life-cycle of the content.",
"$ref": "#/definitions/code"
},
"_status": {
"description": "Extensions for status",
"$ref": "Element.schema.json#/definitions/Element"
},
"date": {
"description": "The date (and optionally time) when the summary was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the summary changes.",
"$ref": "#/definitions/dateTime"
},
"_date": {
"description": "Extensions for date",
"$ref": "Element.schema.json#/definitions/Element"
},
"useContext": {
"description": "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate evidence instances.",
"items": {
"$ref": "UsageContext.schema.json#/definitions/UsageContext"
},
"type": "array"
},
"approvalDate": {
"description": "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.",
"$ref": "#/definitions/date"
},
"_approvalDate": {
"description": "Extensions for approvalDate",
"$ref": "Element.schema.json#/definitions/Element"
},
"lastReviewDate": {
"description": "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.",
"$ref": "#/definitions/date"
},
"_lastReviewDate": {
"description": "Extensions for lastReviewDate",
"$ref": "Element.schema.json#/definitions/Element"
},
"publisher": {
"description": "The name of the organization or individual that published the evidence.",
"$ref": "#/definitions/string"
},
"_publisher": {
"description": "Extensions for publisher",
"$ref": "Element.schema.json#/definitions/Element"
},
"contact": {
"description": "Contact details to assist a user in finding and communicating with the publisher.",
"items": {
"$ref": "ContactDetail.schema.json#/definitions/ContactDetail"
},
"type": "array"
},
"author": {
"description": "An individiual, organization, or device primarily involved in the creation and maintenance of the content.",
"items": {
"$ref": "ContactDetail.schema.json#/definitions/ContactDetail"
},
"type": "array"
},
"editor": {
"description": "An individiual, organization, or device primarily responsible for internal coherence of the content.",
"items": {
"$ref": "ContactDetail.schema.json#/definitions/ContactDetail"
},
"type": "array"
},
"reviewer": {
"description": "An individiual, organization, or device primarily responsible for review of some aspect of the content.",
"items": {
"$ref": "ContactDetail.schema.json#/definitions/ContactDetail"
},
"type": "array"
},
"endorser": {
"description": "An individiual, organization, or device responsible for officially endorsing the content for use in some setting.",
"items": {
"$ref": "ContactDetail.schema.json#/definitions/ContactDetail"
},
"type": "array"
},
"relatedArtifact": {
"description": "Link or citation to artifact associated with the summary.",
"items": {
"$ref": "RelatedArtifact.schema.json#/definitions/RelatedArtifact"
},
"type": "array"
},
"description": {
"description": "A free text natural language description of the evidence from a consumer\u0027s perspective.",
"$ref": "#/definitions/markdown"
},
"_description": {
"description": "Extensions for description",
"$ref": "Element.schema.json#/definitions/Element"
},
"assertion": {
"description": "Declarative description of the Evidence.",
"$ref": "#/definitions/markdown"
},
"_assertion": {
"description": "Extensions for assertion",
"$ref": "Element.schema.json#/definitions/Element"
},
"note": {
"description": "Footnotes and/or explanatory notes.",
"items": {
"$ref": "Annotation.schema.json#/definitions/Annotation"
},
"type": "array"
},
"variableDefinition": {
"description": "Evidence variable such as population, exposure, or outcome.",
"items": {
"$ref": "#/definitions/Evidence_VariableDefinition"
},
"type": "array"
},
"synthesisType": {
"description": "The method to combine studies.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"studyType": {
"description": "The type of study that produced this evidence.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"statistic": {
"description": "Values and parameters for a single statistic.",
"items": {
"$ref": "#/definitions/Evidence_Statistic"
},
"type": "array"
},
"certainty": {
"description": "Assessment of certainty, confidence in the estimates, or quality of the evidence.",
"items": {
"$ref": "#/definitions/Evidence_Certainty"
},
"type": "array"
}
},
"additionalProperties": false,
"required": [
"variableDefinition",
"resourceType"
]
},
"Evidence_VariableDefinition": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"description": {
"description": "A text description or summary of the variable.",
"$ref": "#/definitions/markdown"
},
"_description": {
"description": "Extensions for description",
"$ref": "Element.schema.json#/definitions/Element"
},
"note": {
"description": "Footnotes and/or explanatory notes.",
"items": {
"$ref": "Annotation.schema.json#/definitions/Annotation"
},
"type": "array"
},
"variableRole": {
"description": "population | subpopulation | exposure | referenceExposure | measuredVariable | confounder.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"observed": {
"description": "Definition of the actual variable related to the statistic(s).",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"intended": {
"description": "Definition of the intended variable related to the Evidence.",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"directnessMatch": {
"description": "Indication of quality of match between intended variable to actual variable.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
}
},
"additionalProperties": false,
"required": [
"variableRole"
]
},
"Evidence_Statistic": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"description": {
"description": "A description of the content value of the statistic.",
"$ref": "#/definitions/string"
},
"_description": {
"description": "Extensions for description",
"$ref": "Element.schema.json#/definitions/Element"
},
"note": {
"description": "Footnotes and/or explanatory notes.",
"items": {
"$ref": "Annotation.schema.json#/definitions/Annotation"
},
"type": "array"
},
"statisticType": {
"description": "Type of statistic, eg relative risk.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"category": {
"description": "When the measured variable is handled categorically, the category element is used to define which category the statistic is reporting.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"quantity": {
"description": "Statistic value.",
"$ref": "Quantity.schema.json#/definitions/Quantity"
},
"numberOfEvents": {
"description": "The number of events associated with the statistic, where the unit of analysis is different from numberAffected, sampleSize.knownDataCount and sampleSize.numberOfParticipants.",
"$ref": "#/definitions/unsignedInt"
},
"_numberOfEvents": {
"description": "Extensions for numberOfEvents",
"$ref": "Element.schema.json#/definitions/Element"
},
"numberAffected": {
"description": "The number of participants affected where the unit of analysis is the same as sampleSize.knownDataCount and sampleSize.numberOfParticipants.",
"$ref": "#/definitions/unsignedInt"
},
"_numberAffected": {
"description": "Extensions for numberAffected",
"$ref": "Element.schema.json#/definitions/Element"
},
"sampleSize": {
"description": "Number of samples in the statistic.",
"$ref": "#/definitions/Evidence_SampleSize"
},
"attributeEstimate": {
"description": "A statistical attribute of the statistic such as a measure of heterogeneity.",
"items": {
"$ref": "#/definitions/Evidence_AttributeEstimate"
},
"type": "array"
},
"modelCharacteristic": {
"description": "A component of the method to generate the statistic.",
"items": {
"$ref": "#/definitions/Evidence_ModelCharacteristic"
},
"type": "array"
}
},
"additionalProperties": false
},
"Evidence_SampleSize": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"description": {
"description": "Human-readable summary of population sample size.",
"$ref": "#/definitions/string"
},
"_description": {
"description": "Extensions for description",
"$ref": "Element.schema.json#/definitions/Element"
},
"note": {
"description": "Footnote or explanatory note about the sample size.",
"items": {
"$ref": "Annotation.schema.json#/definitions/Annotation"
},
"type": "array"
},
"numberOfStudies": {
"description": "Number of participants in the population.",
"$ref": "#/definitions/unsignedInt"
},
"_numberOfStudies": {
"description": "Extensions for numberOfStudies",
"$ref": "Element.schema.json#/definitions/Element"
},
"numberOfParticipants": {
"description": "A human-readable string to clarify or explain concepts about the sample size.",
"$ref": "#/definitions/unsignedInt"
},
"_numberOfParticipants": {
"description": "Extensions for numberOfParticipants",
"$ref": "Element.schema.json#/definitions/Element"
},
"knownDataCount": {
"description": "Number of participants with known results for measured variables.",
"$ref": "#/definitions/unsignedInt"
},
"_knownDataCount": {
"description": "Extensions for knownDataCount",
"$ref": "Element.schema.json#/definitions/Element"
}
},
"additionalProperties": false
},
"Evidence_AttributeEstimate": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"description": {
"description": "Human-readable summary of the estimate.",
"$ref": "#/definitions/string"
},
"_description": {
"description": "Extensions for description",
"$ref": "Element.schema.json#/definitions/Element"
},
"note": {
"description": "Footnote or explanatory note about the estimate.",
"items": {
"$ref": "Annotation.schema.json#/definitions/Annotation"
},
"type": "array"
},
"type": {
"description": "The type of attribute estimate, eg confidence interval or p value.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"quantity": {
"description": "The singular quantity of the attribute estimate, for attribute estimates represented as single values; also used to report unit of measure.",
"$ref": "Quantity.schema.json#/definitions/Quantity"
},
"level": {
"description": "Use 95 for a 95% confidence interval.",
"$ref": "#/definitions/decimal"
},
"_level": {
"description": "Extensions for level",
"$ref": "Element.schema.json#/definitions/Element"
},
"range": {
"description": "Lower bound of confidence interval.",
"$ref": "Range.schema.json#/definitions/Range"
},
"attributeEstimate": {
"description": "A nested attribute estimate; which is the attribute estimate of an attribute estimate.",
"items": {
"$ref": "#/definitions/Evidence_AttributeEstimate"
},
"type": "array"
}
},
"additionalProperties": false
},
"Evidence_ModelCharacteristic": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"code": {
"description": "Description of a component of the method to generate the statistic.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"value": {
"description": "Further specification of the quantified value of the component of the method to generate the statistic.",
"$ref": "Quantity.schema.json#/definitions/Quantity"
},
"variable": {
"description": "A variable adjusted for in the adjusted analysis.",
"items": {
"$ref": "#/definitions/Evidence_Variable"
},
"type": "array"
},
"attributeEstimate": {
"description": "An attribute of the statistic used as a model characteristic.",
"items": {
"$ref": "#/definitions/Evidence_AttributeEstimate"
},
"type": "array"
}
},
"additionalProperties": false,
"required": [
"code"
]
},
"Evidence_Variable": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"variableDefinition": {
"description": "Description of the variable.",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"handling": {
"description": "How the variable is classified for use in adjusted analysis.",
"$ref": "#/definitions/code"
},
"_handling": {
"description": "Extensions for handling",
"$ref": "Element.schema.json#/definitions/Element"
},
"valueCategory": {
"description": "Description for grouping of ordinal or polychotomous variables.",
"items": {
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"type": "array"
},
"valueQuantity": {
"description": "Discrete value for grouping of ordinal or polychotomous variables.",
"items": {
"$ref": "Quantity.schema.json#/definitions/Quantity"
},
"type": "array"
},
"valueRange": {
"description": "Range of values for grouping of ordinal or polychotomous variables.",
"items": {
"$ref": "Range.schema.json#/definitions/Range"
},
"type": "array"
}
},
"additionalProperties": false,
"required": [
"variableDefinition"
]
},
"Evidence_Certainty": {
"description": "The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (eg population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. 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 can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"description": {
"description": "Textual description of certainty.",
"$ref": "#/definitions/string"
},
"_description": {
"description": "Extensions for description",
"$ref": "Element.schema.json#/definitions/Element"
},
"note": {
"description": "Footnotes and/or explanatory notes.",
"items": {
"$ref": "Annotation.schema.json#/definitions/Annotation"
},
"type": "array"
},
"type": {
"description": "Aspect of certainty being rated.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"rating": {
"description": "Assessment or judgement of the aspect.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"rater": {
"description": "Individual or group who did the rating.",
"$ref": "#/definitions/string"
},
"_rater": {
"description": "Extensions for rater",
"$ref": "Element.schema.json#/definitions/Element"
},
"subcomponent": {
"description": "A domain or subdomain of certainty.",
"items": {
"$ref": "#/definitions/Evidence_Certainty"
},
"type": "array"
}
},
"additionalProperties": false
}
}
}
FHIR ®© HL7.org 2011+. FHIR Release 4B (v4.3.0) hl7.fhir.r4b.core#4.3.0 generated on Sat, May 28, 2022 12:55+1000.
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