Cohort studies compare groups of exposed and non-exposed individuals. Both groups are followed over time to determine whether a particular outcome, e.g., a specific disease, develops. In contrast, case-control studies recruit patients with a disease or outcome of interest. These cases are compared with a set of unaffected healthy individuals termed controls. Outline: 00:00 - Introduction 01:33 - Research question 03:15 - Relative risk 05:11 - Odds ratio 08:05 - Conclusion Have you watched all seven episodes of our series on statistics? We’ve put together a quiz to test your knowledge, which can be accessed directly through the following link: #/Quiz Subscribe to AMBOSS YouTube for the latest clinical examination videos, medical student interviews, study tips and tricks, and live webinars! Free 5-Day Trial: Instagram: Facebook: Twitter: Blog: #AMBOSSMed #MedicalStatistics