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The final multivariable logistic regression analysis, on which the nomogram was based
| Predictor variables | Odds ratio (95% CI) | P |
|---|---|---|
| ITE* score in PGY1 | 1.27 (1.02, 1.58) | 0.031 |
| ITE* score in PGY2 | 1.19 (1.07, 1.33) | 0.002 |
| ITE* score in PGY3 | 1.58 (1.23, 2.04) | <0.001 |
| Number of call months in the past 6 months | 0.34 (0.11, 1.06) | 0.065 |
In-Training Examination score expressed as percentage of questions answered correctly.
