Master Screening Tests in One Video | Sensitivity, Specificity, PPV, NPV & Biases | MRCOG

Master Screening Tests in One Video | Sensitivity, Specificity, PPV, NPV & Biases | MRCOG Screening tests are among the most important and frequently examined topics in Epidemiology, Medical Statistics and Evidence-Based Medicine for MRCOG, NEET SS, DNB and postgraduate medical examinations. In this lecture, I explain screening tests from first principles using simple examples, diagrams, memory tricks and examination-oriented SBA questions. Topics Covered: ✓ Need for Screening ✓ Screening Window ✓ Criteria for a Good Screening Programme ✓ Screening Test vs Diagnostic Test ✓ Sensitivity ✓ Specificity ✓ Positive Predictive Value (PPV) ✓ Negative Predictive Value (NPV) ✓ Factors Affecting PPV and NPV ✓ Interpretation of Test Results ✓ False Positive and False Negative Results ✓ Screening Biases ✓ Lead-Time Bias ✓ Length-Time Bias ✓ Overdiagnosis Bias ✓ High-Yield SBA Questions with Detailed Explanations ✓ MRCOG Examination Tips and Memory Aids This session is designed to help candidates understand concepts rather than memorise formulas, making epidemiology and statistics easier to apply in examinations and clinical practice. Subscribe for more MRCOG Part 1 and Part 2 lectures covering Epidemiology, Medical Statistics, Research Methodology, Evidence-Based Medicine, Obstetrics and Gynaecology. #MRCOG #MRCOGPart1 #MRCOGPart2 #ScreeningTests #Sensitivity #Specificity #PPV #NPV #Epidemiology #MedicalStatistics #Biostatistics #EvidenceBasedMedicine #ResearchMethodology #MedicalEducation #OBGYN