---
type: "example"
title: "Evidence Example: evidence-example-death-or-major-injury-reduce-parachute-vs-empty-backpack"
resource: "Evidence"
example: "evidence-example-death-or-major-injury-reduce-parachute-vs-empty-backpack"
---
# Evidence Example: evidence-example-death-or-major-injury-reduce-parachute-vs-empty-backpack

## Example XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<Evidence xmlns="http://hl7.org/fhir">
	<id value="example-death-or-major-injury-reduce-parachute-vs-empty-backpack"/>
	<meta>
		<versionId value="6"/>
		<lastUpdated value="2025-02-17T13:56:56.719Z"/>
		<profile value="http://hl7.org/fhir/uv/ebm/StructureDefinition/comparative-evidence"/>
		<profile value="http://hl7.org/fhir/uv/ebm/StructureDefinition/single-study-evidence"/>
	</meta>
	<url value="http://hl7.org/fhir/Evidence/example-death-or-major-injury-reduce-parachute-vs-empty-backpack"/>
	<identifier>
		<type>
			<text value="FEvIR Object Identifier"/>
		</type>
		<system value="urn:ietf:rfc:3986"/>
		<value value="https://fevir.net/FOI/318273"/>
		<assigner>
			<display value="Computable Publishing LLC"/>
		</assigner>
	</identifier>
	<title value="Death or Major Traumatic Injury on Impact comparing intervention vs. comparator"/>
	<citeAs value="Death or Major Traumatic Injury on Impact comparing intervention vs. comparator [Database Entry: FHIR Evidence Resource]. Contributors: Joanne Dehnbostel [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 318273. Revised 2025-02-17. Available at: https://fevir.net/resources/Evidence/318273. Computable resource at: https://fevir.net/resources/Evidence/318273#json."/>
	<status value="active"/>
	<author>
		<name value="Joanne Dehnbostel"/>
	</author>
	<publisher value="Computable Publishing LLC"/>
	<contact>
		<telecom>
			<system value="email"/>
			<value value="support@computablepublishing.com"/>
		</telecom>
	</contact>
	<copyright value="https://creativecommons.org/licenses/by-nc-sa/4.0/"/>
	<relatesTo>
	    <type>
	      <coding>
        	<system value="http://terminology.hl7.org/CodeSystem/artifact-relationship-type" />
        	<code value="part-of" />
        	<display value="Part Of" />
	      </coding>
	    </type>
		<targetReference>
			<reference value="Composition/312172"/>
			<type value="Composition"/>
			<display value="PARACHUTE Trial Results"/>
		</targetReference>
	</relatesTo>
	<description value="Example Evidence Resource for EBMonFHIR IG using SingleStudyEvidence and ComparativeEvidence Profiles"/>
	<variableDefinition>
		<variableRole value="population"/>
		<observed>
			<reference value="Group/292955"/>
			<type value="Group"/>
			<display value="PARACHUTE Trial Participants"/>
		</observed>
	</variableDefinition>
	<variableDefinition>
		<variableRole value="exposure"/>
		<comparatorCategory value="Parachute trial participants assigned an empty backpack"/>
		<observed>
			<reference value="EvidenceVariable/297490"/>
			<type value="EvidenceVariable"/>
			<display value="GroupAssignment: Jumping from aircraft with parachute vs. Jumping from aircraft with empty backpack"/>
		</observed>
	</variableDefinition>
	<variableDefinition>
		<variableRole value="outcome"/>
		<observed>
			<reference value="EvidenceVariable/297743"/>
			<type value="EvidenceVariable"/>
			<display value="Death or Major Traumatic Injury on Impact"/>
		</observed>
	</variableDefinition>
	<synthesisType>
		<coding>
			<system value="http://terminology.hl7.org/CodeSystem/synthesis-type"/>
			<code value="NotApplicable"/>
			<display value="not applicable"/>
		</coding>
	</synthesisType>
	<studyDesign>
		<coding>
			<system value="https://fevir.net/sevco"/>
			<code value="SEVCO:01003"/>
			<display value="randomized assignment"/>
		</coding>
	</studyDesign>
	<statistic>
		<statisticType>
			<coding>
				<system value="https://fevir.net/sevco"/>
				<code value="STATO:0000614"/>
				<display value="absolute difference"/>
			</coding>
		</statisticType>
		<quantity>
			<value value="0"/>
		</quantity>
		<sampleSize>
			<knownDataCount value="23"/>
		</sampleSize>
		<attributeEstimate>
			<type>
				<coding>
					<system value="https://fevir.net/sevco"/>
					<code value="STATO:0000700"/>
					<display value="p-value"/>
				</coding>
			</type>
			<quantity>
				<value value="0.9"/>
				<comparator value="&gt;"/>
			</quantity>
		</attributeEstimate>
	</statistic>
</Evidence>
```