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Comparison of objective learning outcomes between the 2 groups.
| Outcome measure | Intervention group (n=114), mean (SD) | Control group (n=110), mean (SD) | Mean difference (95% CI) | P value | Cohen d (95% CI) |
| Case analysis score (0-100) | 88.41 (3.85) | 82.51 (3.94) | 5.90 (4.87-6.93) | <.001 | 1.51 (1.23-1.83) |
| Final exam score (0-100) | 80.96 (8.47) | 78.62 (6.63) | 2.33 (0.33-4.33) | .02 | 0.31 (0.04-0.57) |
