Public Health Dentistry • NEET MDS
Cross-sectional = prevalence study snapshot in time.
Case-control = odds ratio retrospective looks backward.
Cohort = relative risk prospective follows forward.
RCT = randomized controlled trial gold standard intervention.
Sensitivity = true positive rate = detect disease.
Specificity = true negative rate = rule out disease.
PPV = positive predictive value prevalence dependent.
Use these mnemonics during your revision. The key associations above are designed to help you recall Epidemiological Studies concepts instantly during the exam. Focus on the “equals” associations — these are the most commonly tested patterns in NEET MDS.