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Mean scores of senior house officers on the knowledge test.
| Year of study | Score before training, mean (95% CI) | Score after training, mean (95% CI) | P value |
| All | 63.4 (60.7-66.1) | 78.9 (76.8-81.1) | <.001 |
| 1st year | 62.3 (58.3-66.4) | 77.7 (72.5-82.8) | <.001 |
| 2nd year | 60.9 (56.1-65.7) | 78.9 (76.7-81.1) | <.001 |
| 3rd year | 68.1 (62.5-73.7) | 80.7 (77.2-84.1) | .001 |
