2nd DSTU Draft For Comment

This page is part of the FHIR Specification (v0.4.0: DSTU 2 Draft). 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: R4B R4 R3 R2

Extension Standard Deviation (same units as the quantity) - Definition

URL for this extension: 

http://hl7.org/fhir/ExtensionDefinition/iso21090-uncertainty

Status: draft

The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).

HL7

usage info: todo

Extension Content

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extensionExtensionURL = http://hl7.org/fhir/ExtensionDefinition/iso21090-uncertainty
Standard Deviation (same units as the quantity): The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).
Use on data type: Quantity
..valueDecimal 0..1decimalStandard Deviation (same units as the quantity)
Use on data type: Quantity

XML Template

<!-- Standard Deviation (same units as the quantity) -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/ExtensionDefinition/iso21090-uncertainty" >
 <!-- from Element: extension -->
 <valueDecimal value="[decimal]"/>
</extension>

JSON Template

// extension added to existing objectdoco

  "http://hl7.org/fhir/ExtensionDefinition/iso21090-uncertainty" : { // Standard Deviation (same units as the quantity)
    "valueDecimal" : [<decimal>] //Standard Deviation (same units as the quantity)
  }

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extensionExtensionURL = http://hl7.org/fhir/ExtensionDefinition/iso21090-uncertainty
Standard Deviation (same units as the quantity): The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).
Use on data type: Quantity
..valueDecimal 0..1decimalStandard Deviation (same units as the quantity)
Use on data type: Quantity

XML Template

<!-- Standard Deviation (same units as the quantity) -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/ExtensionDefinition/iso21090-uncertainty" >
 <!-- from Element: extension -->
 <valueDecimal value="[decimal]"/>
</extension>

JSON Template

to do