Short description
In the medical sense, a cohort is a group of patients with comparable symptoms or other similarities, which is observed over a certain period of time.
Synonyms
Patient cohort

Detailed description

Explicit consent has to be given by the patients to be included in the cohort. During the observation period, patient information is gathered and biological samples are collected. In contrary to clinical studies, there is no intervention or treatment nor a control group. A cohort allows drawing conclusions on biological or medical relationships.