Objective We determined if postoperative physical activity prevents or delays cancer recurrence in patients with stage III colon cancer. Methods This cohort study nested within a randomised trial ...

Since 1986, we have been studying a cohort of individuals from a region in China with epidemic rates of gastric cardia cancer and have conducted numerous two-stage studies to assess the association of ...

CA-125 KELIM as a Potential Complementary Tool for Predicting Veliparib Benefit: An Exploratory Analysis From the VELIA/GOG-3005 Study This study includes the PanCareSurFup and ProCardio cohort of ≥ 5 ...

It has been recently asserted that the nested case-control study design, in which case-control sets are sampled from cohort risk sets, can introduce bias ("study design bias") when there are lagged ...

Cohort studies are a type of research design. They are also called longitudinal studies because they follow groups of people over time. Results from cohort studies can help people understand human ...