| Pretest | Post-Test | P-value |
Overall Mean Score | 15.94 (+3.73) | 21.89 (+2.02) | 0.001* |
 | Stratification of Pre and post test score according to the year of residency | ||
 | Pretest | Post-Test | P-value |
Year 1 | 14.33 (+2.31) | 20.33 (+2.88) | 0.059 |
Year 2 | 11.75 (+2.87) | 21.75 (+0.50) | 0.004* |
Year 3 | 18.00 (+2.94) | 21.28 (+1.70) | 0.037* |
Year 4 | 17.40 (+3.36) | 23.80 (+1.64) | 0.024* |