This 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
Clinical Decision Support Work Group | Maturity Level: N/A | Standards Status: Informative |
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Definition for Code SystemEvidenceVariableHandling
@prefix fhir: <http://hl7.org/fhir/> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . # - resource ------------------------------------------------------------------- [] a fhir:CodeSystem; fhir:Resource.id [ fhir:value "variable-handling"]; fhir:Resource.meta [ fhir:Meta.lastUpdated [ fhir:value "2022-05-28T13:47:40.239+11:00" ]; fhir:Meta.profile [ fhir:value "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"; fhir:index 0 ] ]; fhir:DomainResource.text [ fhir:Narrative.status [ fhir:value "generated" ] ]; fhir:DomainResource.extension [ fhir:index 0; fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg" ]; fhir:Extension.value [ fhir:value "cds" ] ], [ fhir:index 1; fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ]; fhir:Extension.value [ fhir:value "trial-use" ] ], [ fhir:index 2; fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm" ]; fhir:Extension.value [ fhir:value "5" ] ]; fhir:CodeSystem.url [ fhir:value "http://hl7.org/fhir/variable-handling"]; fhir:CodeSystem.identifier [ fhir:index 0; fhir:Identifier.system [ fhir:value "urn:ietf:rfc:3986" ]; fhir:Identifier.value [ fhir:value "urn:oid:2.16.840.1.113883.4.642.1.0" ] ]; fhir:CodeSystem.version [ fhir:value "4.3.0"]; fhir:CodeSystem.name [ fhir:value "EvidenceVariableHandling"]; fhir:CodeSystem.title [ fhir:value "EvidenceVariableHandling"]; fhir:CodeSystem.status [ fhir:value "draft"]; fhir:CodeSystem.experimental [ fhir:value "false"]; fhir:CodeSystem.date [ fhir:value "2021-01-05T10:01:24+11:00"]; fhir:CodeSystem.publisher [ fhir:value "HL7 (FHIR Project)"]; fhir:CodeSystem.contact [ fhir:index 0; fhir:ContactDetail.telecom [ fhir:index 0; fhir:ContactPoint.system [ fhir:value "url" ]; fhir:ContactPoint.value [ fhir:value "http://hl7.org/fhir" ] ], [ fhir:index 1; fhir:ContactPoint.system [ fhir:value "email" ]; fhir:ContactPoint.value [ fhir:value "fhir@lists.hl7.org" ] ] ]; fhir:CodeSystem.description [ fhir:value "The handling of the variable in statistical analysis for exposures or outcomes (E.g. Dichotomous, Continuous, Descriptive)."]; fhir:CodeSystem.caseSensitive [ fhir:value "true"]; fhir:CodeSystem.valueSet [ fhir:value "http://hl7.org/fhir/ValueSet/variable-handling"]; fhir:CodeSystem.content [ fhir:value "complete"]; fhir:CodeSystem.concept [ fhir:index 0; fhir:CodeSystem.code [ fhir:value "continuous" ]; fhir:CodeSystem.display [ fhir:value "continuous variable" ]; fhir:CodeSystem.definition [ fhir:value "A continuous variable is one for which, within the limits the variable ranges, any value is possible (from STATO http://purl.obolibrary.org/obo/STATO_0000251)." ] ], [ fhir:index 1; fhir:CodeSystem.code [ fhir:value "dichotomous" ]; fhir:CodeSystem.display [ fhir:value "dichotomous variable" ]; fhir:CodeSystem.definition [ fhir:value "A dichotomous variable is a categorical variable which is defined to have only 2 categories or possible values (from STATO http://purl.obolibrary.org/obo/STATO_0000090)." ] ], [ fhir:index 2; fhir:CodeSystem.code [ fhir:value "ordinal" ]; fhir:CodeSystem.display [ fhir:value "ordinal variable" ]; fhir:CodeSystem.definition [ fhir:value "An ordinal variable is a categorical variable where the discrete possible values are ordered or correspond to an implicit ranking (from STATO http://purl.obolibrary.org/obo/STATO_0000228)." ] ], [ fhir:index 3; fhir:CodeSystem.code [ fhir:value "polychotomous" ]; fhir:CodeSystem.display [ fhir:value "polychotomous variable" ]; fhir:CodeSystem.definition [ fhir:value "A polychotomous variable is a categorical variable which is defined to have minimally 2 categories or possible values. (from STATO http://purl.obolibrary.org/obo/STATO_0000087). Suggestion to limit code use to situations when neither dichotomous nor ordinal variables apply." ] ] . # -------------------------------------------------------------------------------------
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.