Evidence

Trial Use 1 Specialized — Public Health & Research

The Evidence Resource provides a machine-interpretable expression of an evidence concept including the evidence variables (e.g., population, exposures/interventions, comparators, outcomes, measured variables, confounding variables), the statistics, and the certainty of this evidence.

Endpoints

devhttps://api.sandbox.ovok.com/fhir/R5/Evidence

Interaction	Method	Path
Read	GET	/fhir/R5/Evidence/[id]
Vread	GET	/fhir/R5/Evidence/[id]/_history/[vid]
Update	PUT	/fhir/R5/Evidence/[id]
Patch	PATCH	/fhir/R5/Evidence/[id]
Delete	DELETE	/fhir/R5/Evidence/[id]
Create	POST	/fhir/R5/Evidence
Search	GET	/fhir/R5/Evidence?...
History	GET	/fhir/R5/Evidence/[id]/_history
Type-history	GET	/fhir/R5/Evidence/_history

Top-level elements

Element	Type(s)	Cardinality	Description
url	uri	0..1	Canonical identifier for this evidence, represented as a globally unique URI
identifier	Identifier	0..*	Additional identifier for the summary
version	string	0..1	Business version of this summary
versionAlgorithm[x]	string / Coding	0..1	How to compare versions
name	string	0..1	Name for this summary (machine friendly)
title	string	0..1	Name for this summary (human friendly)
citeAs[x]	Reference / markdown	0..1	Citation for this evidence
status	code	1..1	draft
experimental	boolean	0..1	For testing purposes, not real usage
date	dateTime	0..1	Date last changed
approvalDate	date	0..1	When the summary was approved by publisher
lastReviewDate	date	0..1	When the summary was last reviewed by the publisher
publisher	string	0..1	Name of the publisher/steward (organization or individual)
contact	ContactDetail	0..*	Contact details for the publisher
author	ContactDetail	0..*	Who authored the content
editor	ContactDetail	0..*	Who edited the content
reviewer	ContactDetail	0..*	Who reviewed the content
endorser	ContactDetail	0..*	Who endorsed the content
useContext	UsageContext	0..*	The context that the content is intended to support
purpose	markdown	0..1	Why this Evidence is defined
copyright	markdown	0..1	Use and/or publishing restrictions
copyrightLabel	string	0..1	Copyright holder and year(s)
relatedArtifact	RelatedArtifact	0..*	Link or citation to artifact associated with the summary
description	markdown	0..1	Description of the particular summary
assertion	markdown	0..1	Declarative description of the Evidence
note	Annotation	0..*	Footnotes and/or explanatory notes
variableDefinition	BackboneElement	1..*	Evidence variable such as population, exposure, or outcome
synthesisType	CodeableConcept	0..1	The method to combine studies
studyDesign	CodeableConcept	0..*	The design of the study that produced this evidence
statistic	BackboneElement	0..*	Values and parameters for a single statistic
certainty	BackboneElement	0..*	Certainty or quality of the evidence

Resource-specific search parameters

Parameter	Type	Description
context	token	A use context assigned to the activity definition
context-quantity	quantity	A quantity- or range-valued use context assigned to the activity definition
context-type	token	A type of use context assigned to the activity definition
context-type-quantity	composite	A use context type and quantity- or range-based value assigned to the activity definition
context-type-value	composite	A use context type and value assigned to the activity definition
date	date	The activity definition publication date
description	string	The description of the activity definition
identifier	token	External identifier for the activity definition
publisher	string	Name of the publisher of the activity definition
status	token	The current status of the activity definition
title	string	The human-friendly name of the activity definition
url	uri	The uri that identifies the activity definition
version	token	The business version of the activity definition

Reference

• Official FHIR R5 spec: Evidence
• Maturity: Trial Use 1 (FMM 1).