This page is part of the FHIR Specification (v4.5.0: R5 Preview #3). 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 |
Raw JSON (canonical form + also see JSON Format Specification)
Definition for Code System EvidenceVariableHandling
{ "resourceType" : "CodeSystem", "id" : "variable-handling", "meta" : { "lastUpdated" : "2020-08-20T17:41:31.970+10:00" }, "text" : { "status" : "generated", "div" : "<div>!-- Snipped for Brevity --></div>" }, "extension" : [{ "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg", "valueCode" : "cds" }, { "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status", "valueCode" : "trial-use" }, { "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm", "valueInteger" : 5 }], "url" : "http://hl7.org/fhir/variable-handling", "identifier" : [{ "system" : "urn:ietf:rfc:3986", "value" : "urn:oid:2.16.840.1.113883.4.642.1.0" }], "version" : "4.5.0", "name" : "EvidenceVariableHandling", "title" : "EvidenceVariableHandling", "status" : "draft", "experimental" : false, "date" : "2020-08-20T17:41:31+10:00", "publisher" : "HL7 (FHIR Project)", "contact" : [{ "telecom" : [{ "system" : "url", "value" : "http://hl7.org/fhir" }, { "system" : "email", "value" : "fhir@lists.hl7.org" }] }], "description" : "The handling of the variable in statistical analysis for exposures or outcomes (E.g. Dichotomous, Continuous, Descriptive).", "caseSensitive" : true, "valueSet" : "http://hl7.org/fhir/ValueSet/variable-handling", "content" : "complete", "concept" : [{ "code" : "continuous", "display" : "continuous variable", "definition" : "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)." }, { "code" : "dichotomous", "display" : "dichotomous variable", "definition" : "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)." }, { "code" : "ordinal", "display" : "ordinal variable", "definition" : "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)." }, { "code" : "polychotomous", "display" : "polychotomous variable", "definition" : "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.