{
  "description": "The handling of the variable in statistical analysis for exposures or outcomes (E.g. Dichotomous, Continuous, Descriptive).",
  "_filename": "CodeSystem-variable-handling.json",
  "package_name": "rs/hl7.fhir.r6.core",
  "date": "2021-01-05T10:01:24+11:00",
  "meta": {
    "profile": [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ],
    "lastUpdated": "2023-12-18T15:12:07.602+11:00"
  },
  "publisher": "HL7 (FHIR Project)",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "content": "complete",
  "name": "EvidenceVariableHandling",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "Evidence Variable Handling",
  "package_version": "6.0.0-ballot1",
  "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
  } ],
  "status": "active",
  "id": "b88d1c25-8d6c-457d-a212-8834a58b66c6",
  "valueSet": "http://hl7.org/fhir/ValueSet/variable-handling",
  "kind": null,
  "url": "http://hl7.org/fhir/variable-handling",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.4.1956",
    "system": "urn:ietf:rfc:3986"
  } ],
  "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."
  } ],
  "caseSensitive": true,
  "version": "6.0.0-ballot1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    }, {
      "value": "fhir@lists.hl7.org",
      "system": "email"
    } ]
  } ]
}