The Critical Appraisal section catches out clinical doctors more than any other part of the FRCEM SBA — not because it's hard, but because it's tested differently from the rest of the paper. This category gives you the focused, exam-ready stats and study-design knowledge needed to score full marks. Inside you'll find a structured guide to passing the FRCEM Critical Appraisal section, a plain-English explanation of p-values, confidence intervals, and the common biases tested, and a breakdown of the most common Critical Appraisal SBA questions with worked examples. You don't need to be a methodologist — you need to recognise study designs, interpret CIs and p-values correctly, spot the half-dozen biases the exam loves, and apply a small set of statistical concepts under time pressure. These guides give you exactly that.
EM FINAL EXAMS Critical Appraisal · Statistics Statistical Power The probability a study will detect a real effect — if one truly…
EM FINAL EXAMS Critical Appraisal · Outcomes Efficacy vs Effectiveness Does it work under IDEAL conditions (efficacy) versus does it work in…
EM FINAL EXAMS Critical Appraisal · Statistics Hypothesis Testing & the P-value The p-value is the probability of data this extreme IF…
EM FINAL EXAMS Critical Appraisal · Outcomes Composite Outcomes A single endpoint that bundles several events together — powerful, but easy to…
EM FINAL EXAMS Critical Appraisal · Outcomes Surrogate vs Patient-Important Outcomes A surrogate is a substitute marker; a patient-important outcome is what…
EM FINAL EXAMS Critical Appraisal · Survival analysis Hazard & Hazard Rate The instantaneous rate of an event among those still at…
EM FINAL EXAMS Critical Appraisal · Effect measures Number Needed to Harm (NNH) The number of patients you must treat for one…
EM FINAL EXAMS Critical Appraisal · Effect measures Absolute & Relative Risk Reduction (ARR & RRR) The two ways to express a…
EM FINAL EXAMS Critical Appraisal · Effect measures Odds Ratio (OR) The odds of an outcome in one group divided by the…
EM FINAL EXAMS Critical Appraisal · Effect measures Relative Risk (Risk Ratio) How many times the risk of an outcome differs between…
Put the strategy into practice with 40,000 explained SBAs and 20 timed mocks.
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