url | No | uri | Canonical identifier for this research element definition, represented as a URI (globally unique) |
identifier | No | Identifier[] | Additional identifier for the research element definition |
version | No | string | Business version of the research element definition |
name | No | string | Name for this research element definition (computer friendly) |
title | No | string | Name for this research element definition (human friendly) |
shortTitle | No | string | Title for use in informal contexts |
subtitle | No | string | Subordinate title of the ResearchElementDefinition |
status | Yes | code | draft / active / retired / unknown |
experimental | No | boolean | For testing purposes, not real usage |
subject[x] | No | CodeableConcept, Reference<Group> | E.g. Patient, Practitioner, RelatedPerson, Organization, Location, Device |
date | No | dateTime | Date last changed |
publisher | No | string | Name of the publisher (organization or individual) |
contact | No | ContactDetail[] | Contact details for the publisher |
description | No | markdown | Natural language description of the research element definition |
comment | No | string[] | Used for footnotes or explanatory notes |
useContext | No | UsageContext[] | The context that the content is intended to support |
jurisdiction | No | CodeableConcept[] | Intended jurisdiction for research element definition (if applicable) |
purpose | No | markdown | Why this research element definition is defined |
usage | No | string | Describes the clinical usage of the ResearchElementDefinition |
copyright | No | markdown | Use and/or publishing restrictions |
approvalDate | No | date | When the research element definition was approved by publisher |
lastReviewDate | No | date | When the research element definition was last reviewed |
effectivePeriod | No | Period | When the research element definition is expected to be used |
topic | No | CodeableConcept[] | The category of the ResearchElementDefinition, such as Education, Treatment, Assessment, etc. |
author | No | ContactDetail[] | Who authored the content |
editor | No | ContactDetail[] | Who edited the content |
reviewer | No | ContactDetail[] | Who reviewed the content |
endorser | No | ContactDetail[] | Who endorsed the content |
relatedArtifact | No | RelatedArtifact[] | Additional documentation, citations, etc. |
library | No | canonical[] | Logic used by the ResearchElementDefinition |
type | Yes | code | population / exposure / outcome |
variableType | No | code | dichotomous / continuous / descriptive |
characteristic | Yes | ResearchElementDefinitionCharacteristic | What defines the members of the research element |
- id | No | string | Unique id for inter-element referencing |
- extension | No | Extension[] | Additional content defined by implementations |
- modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
- definition[x] | Yes | CodeableConcept, canonical, Expression, DataRequirement | What code or expression defines members? |
- usageContext | No | UsageContext[] | What code/value pairs define members? |
- exclude | No | boolean | Whether the characteristic includes or excludes members |
- unitOfMeasure | No | CodeableConcept | What unit is the outcome described in? |
- studyEffectiveDescription | No | string | What time period does the study cover |
- studyEffective[x] | No | dateTime, Period, Duration, Timing | What time period does the study cover |
- studyEffectiveTimeFromStart | No | Duration | Observation time from study start |
- studyEffectiveGroupMeasure | No | code | mean / median / mean-of-mean / mean-of-median / median-of-mean / median-of-median |
- participantEffectiveDescription | No | string | What time period do participants cover |
- participantEffective[x] | No | dateTime, Period, Duration, Timing | What time period do participants cover |
- participantEffectiveTimeFromStart | No | Duration | Observation time from study start |
- participantEffectiveGroupMeasure | No | code | mean / median / mean-of-mean / mean-of-median / median-of-mean / median-of-median |