Preferred Label : Observational Case-Crossover Study;
NCIt related terms : CASE CROSSOVER;
NCIt definition : A study in which the subject with the condition under study (the case) at the timepoint
of disease onset is compared against an earlier, pre-disease timepoint in that subject's
life (the control).;
Alternative definition : CDISC: A study in which the subject characteristics of the case, immediately prior
to disease onset (sometimes called the hazard period), are compared to characteristics
of same case at a prior time (i.e., control period). (ClinicalTrials.gov);
NCI Metathesaurus CUI : CL509028;
Origin ID : C127779;
UMLS CUI : C4288565;
Semantic type(s)
- concept_is_in_subset
