| Question 6 |
| Question 10 |
| Question 21 |
| Question 17 |
| Question 23 |
| Question 14 |
| Question 6 |
| Question 8 | Levels of evidence; also the advantages and disadvantages of meta-analysis. |
| Question 14 |
| Question 21 |
| Question 19 |
| Question 15 | Definitions: sensitivity, specificity, PPV and NPV |
| Question 19 | Levels of evidence; also the advantages and disadvantages of meta-analysis. |
| Question 2(p.2) | Sample size calculation; also parametric and nonparametric tests. |
| Question 2 | Odds ratio: what does it mean? |
| Question 8(p.2) |