Case Control Study Explained: Concept, Design & Odds Ratio Numericals | Dr. Priyanka Sachdev

Master the essentials of Epidemiological Studies in this high-yield "Prof Buster" session on the Case Control Study. We break down the core design of analytic studies—from selecting cases and controls to calculating the Odds Ratio. This video is essential for MBBS 3rd-year students and PG aspirants (NEET PG, FMGE), covering the fundamental differences between Case Control and Cohort studies, the hallmark 2x2 contingency table, and step-by-step numerical practice for exams. Key Topics Covered: Epidemiology Overview: Observational vs. Experimental studies [00:50]. Case Control Design: Retrospective (Backward-looking) approach and starting with the disease [06:08]. Cohort Study Comparison: Prospective (Forward-looking) approach and starting with exposure [14:43]. The 2x2 Table: Defining Cases, Controls, Exposed, and Unexposed (ABCD layout) [24:24]. Analysis: Calculating Exposure Rate and Odds Ratio (Cross-product ratio) [27:25]. Numerical Drill: Solving a real Renal Cancer case study from a question paper [40:26]. Download the high-yield 'Case Control vs. Cohort' comparison table and PDF notes on the MedLive App! #PSM #CommunityMedicine #CaseControlStudy #MedLive #DrPriyankaSachdev #MBBS #NEETPG #FMGE #MedicalEducation #Epidemiology