{"code":"C15208","name":"Cohort Study","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"cohort study","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC-GLOSS"},{"name":"COHORT","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"cohort study","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"MRCT-Ctr"},{"name":"cohort study","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI-GLOSS","code":"CDR0000285673"},{"name":"Cohort Study","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Cohort Study","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A research study that compares a particular outcome (such as lung cancer) in groups of individuals who are alike in many ways but differ by a certain characteristic (for example, female nurses who smoke compared with those who do not smoke).","code":"P97","type":"DEFINITION","source":"NCI"},{"definition":"A research study that compares a particular outcome (such as lung cancer) in groups of individuals who are alike in many ways but differ by a certain characteristic (for example, female nurses who smoke compared with those who do not smoke).","code":"P325","type":"ALT_DEFINITION","source":"NCI-GLOSS"},{"definition":"Research that collects data from or about a group of participants over time to see whether a specific outcome happens. (https://mrctcenter.org/glossaryterm/cohort-study/)","code":"P325","type":"ALT_DEFINITION","source":"MRCT-Ctr"},{"definition":"Study of a group of individuals, some of whom are exposed to a variable of interest, in which subjects are followed over time. (CDISC Glossary)","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"Study of a group of individuals, some of whom are exposed to a variable of interest, in which subjects are followed over time. NOTE: Cohort studies can be prospective or retrospective. [After AMA Manual of Style] See also prospective study, observational study, retrospective study, case-control study, cohort.","code":"P325","type":"ALT_DEFINITION","source":"CDISC-GLOSS"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P322","type":"Contributing_Source","value":"CDISC-GLOSS"},{"code":"P322","type":"Contributing_Source","value":"MRCT-Ctr"},{"code":"P366","type":"Legacy Concept Name","value":"Cohort_Study"},{"code":"P106","type":"Semantic_Type","value":"Research Activity"},{"code":"P207","type":"UMLS_CUI","value":"C0009247"}]}