Question | Question topic (maximum possible score) | Baseline | Final | Improvement | |
---|---|---|---|---|---|
Average score | Average score | Change in score | 1 tailed p-value | ||
Q1 | Asking a clinical question (24) | 7.4 | 17.7 | 10.3 | < 0.001* |
Q2 | Sources of evidence (24) | 3.6 | 6.7 | 3.1 | 0.004* |
Q3 | Search strategy (24) | 4.3 | 5.9 | 1.6 | 0.184 |
Q4 | Study design (24) | 3.2 | 12.2 | 9 | < 0.001* |
Q5 | Relevance (24) | 2 | 3.1 | 1.1 | 0.129 |
Q6 | Internal validity (24) | 4.6 | 6.5 | 1.9 | 0.174 |
Q7 | Effect (24) | 0.9 | 5.1 | 4.1 | 0.006* |
Q8 | Sensitivity, Specificity, PPV, NPV, likelihood ratio (20) | 1.8 | 3.6 | 1.8 | 0.167 |
Q9 | Absolute risk reduction, relative risk reduction, number needed to treat (12) | 0.9 | 2.8 | 1.9 | 0.030* |
Q10 | Confidence interval (4) | 0 | 1.6 | 1.6 | 0.002* |
Q11 | Best study design-diagnosis (4) | 0 | 0.4 | 0.4 | 0.082 |
Q12 | Best study design-prognosis | 0.7 | 2.4 | 1.8 | 0.001* |
Total | Total (212) | 29.3 | 68 | 38.7 | < 0.001* |