Stat/Epi

1. Study Design & Bias

1. Selection bias

2. Recall bias

3. Confounding bias

4. Lead-time bias

5. Length-time bias

6. Publication bias

7. Hawthorne effect

8. Observer bias

2. Screening Tests
9. Sensitivity
10. Specificity
11. Positive predictive value (PPV)
12. Negative predictive value (NPV)
13. Likelihood ratio (positive)
14. Likelihood ratio (negative)
15. Receiver operating characteristic (ROC) curve
16. False positive vs. false negative

3. Epidemiological Measures
17. Incidence vs. prevalence
18. Relative risk (RR)
19. Odds ratio (OR)
20. Attributable risk
21. Number needed to treat (NNT)
22. Number needed to harm (NNH)

4. Statistical Tests
23. T-test
24. ANOVA
25. Chi-square test
26. Fisher’s exact test
27. Pearson correlation
28. Linear regression
29. Logistic regression

5. Probability & Distributions
30. Normal (Gaussian) distribution
31. Skewed distributions (right/left)
32. Binomial distribution
33. Poisson distribution
34. Standard deviation (SD)
35. Standard error of the mean (SEM)
36. Confidence intervals (CI)