Release 5 Preview #3

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

4.4.1.636 Value Set http://hl7.org/fhir/ValueSet/variable-handling

FHIR Infrastructure

Work Group

Maturity Level: 5

Trial Use

Use Context: Any

This is a value set defined by the FHIR project.

Summary

Defining URL: http://hl7.org/fhir/ValueSet/variable-handling

Version: 4.5.0

Name: EvidenceVariableHandling

Title: EvidenceVariableHandling

Definition:

The handling of the variable in statistical analysis for exposures or outcomes (E.g. Dichotomous, Continuous, Descriptive).

Committee: FHIR Infrastructure Work Group

OID: 2.16.840.1.113883.4.642.3.0 (for OID based terminology systems)

Source Resource XML / JSON

This value set is used in the following places:

CodeSystem: This value set is the designated 'entire code system' value set for EvidenceVariableHandling
Resource: EvidenceVariable.handling (code / Required)
Resource: Statistic.modelCharacteristic.variable.handling (code / Required)

4.4.1.636.1 Content Logical Definition

Include all codes defined in http://hl7.org/fhir/variable-handling

4.4.1.636.2 Expansion

This expansion generated 20 Aug 2020

This value set contains 4 concepts

Expansion based on EvidenceVariableHandling v4.5.0 (CodeSystem)

All codes from system http://hl7.org/fhir/variable-handling

Code	Display	Definition
continuous	continuous variable	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).
dichotomous	dichotomous variable	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).
ordinal	ordinal variable	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).
polychotomous	polychotomous variable	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.

See the full registry of value sets defined as part of FHIR.

Explanation of the columns that may appear on this page:

Lvl

A few code lists that FHIR defines are hierarchical - each code is assigned a level. For value sets, levels are mostly used to organize codes for user convenience, but may follow code system hierarchy - see Code System for further information

Source

The source of the definition of the code (when the value set draws in codes defined elsewhere)

Code

The code (used as the code in the resource instance). If the code is in italics, this indicates that the code is not selectable ('Abstract')

Display

The display (used in the display element of a Coding). If there is no display, implementers should not simply display the code, but map the concept into their application

Definition

An explanation of the meaning of the concept

Comments

Additional notes about how to use the code