Research Activity
longitudinal studies
[ lon-ji-tood-n-l, -tyood- stuhd-eez ]
Subclass of:
Cohort Studies
Definitions related to longitudinal studies:
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(prospective) Studies that look forward using periodic observations collected predominantly following subject enrollment. (clinicaltrials.gov)CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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(prospective) In medicine, a study or clinical trial in which participants are identified and then followed forward in time.NCI Dictionary of Cancer TermsU.S. National Cancer Institute, 2021
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(longitudinal study) A study in which participants with no known disease are initially assessed, and then reassessed for the same characteristic at mutiple timepoints in the future.NCI ThesaurusU.S. National Cancer Institute, 2021
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(longitudinal study) Investigation in which data are collected from a number of subjects over a long period of time (a well-known example is the Framingham study).CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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Studies in which variables relating to an individual or group of individuals are assessed over a period of time.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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