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Core Essentials of Critical Appraisal

The eight data-families that carry the critical-review marks, each a self-contained figure walkthrough with original diagrams and worked questions. Work them in order, or jump to your weakest.

8Themes
OriginalFigures & questions
33.5%Of Paper B
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Theme 1

Diagnostic Accuracy

sensitivity · specificity · PPV/NPV · likelihood ratios · ROC

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Theme 2

Meta-analysis

forest plot · heterogeneity (I²) · fixed vs random · funnel plot

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Theme 3

Survival Analysis

Kaplan-Meier · hazard ratio · median survival · log-rank

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Theme 4

Study Design & Flow

cross-sectional · cohort · case-control · RCT · CONSORT

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Theme 5

Association

odds ratio · risk ratio · correlation · confounding

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Theme 6

Effect Size

ARR · RRR · NNT · NNH · confidence intervals

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Theme 7

Distributions

normal · skew · mean/median/mode · SD vs SE

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Theme 8

Agreement & Calibration

kappa · Bland-Altman · reliability · validity

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