Union of http://terminology.hl7.org/CodeSystem/study-type and http://terminology.hl7.org/CodeSystem/study-type

This is the CodeSystem that contains all the codes in StatisticStudyType (http://terminology.hl7.org/CodeSystem/study-type) and StatisticStudyType (http://terminology.hl7.org/CodeSystem/study-type). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: CodeSystem 0d0d3031-29f7-4913-981d-4e6a20446ed6-809

This code system http://hl7.org/fhir/comparison/CodeSystem/0d0d3031-29f7-4913-981d-4e6a20446ed6-809 defines codes, but no codes are represented here

CodeDisplayDefinition
RCT randomized trialrandomized controlled trial.
CCT controlled trial (non-randomized)controlled (but not randomized) trial.
cohort comparative cohort studyobservational study comparing cohorts.
case-control case-control studycase-control study.
series uncontrolled case seriesuncontrolled case series.
case-report case reporta single case report.
RCTandCohort mixed RCT and cohorta combination of 1 or more RCTs and cohorts.
cross-section cross sectional studyuncontrolled cohort.