Table 2 Model performance within cross-validation, applied to the testing set, and stratified by site
| Model | Cohort | Measure | AUROC | AUPRC |
|---|---|---|---|---|
| Lasso regression |
Training (Cross-validation) |
Mean [min, max] |
78.8 [78.0, 80.2] |
21.0 [18.3, 22.0] |
| XGBoost |
Training (Cross-validation) |
Mean [min, max] |
84.6 [83.8, 86.0] |
25.7 [21.2, 27.4] |
| Random forest |
Training (Cross-validation) |
Mean [min, max] |
86.9 [85.3, 87.7] |
26.4 [20.1, 31.0] |
|
Testing (Bootstrapped) |
Median [95% CI] |
87.2 [86.1, 88.2] |
28.0 [25.0, 31.0] | |
| Brooklyn |
Median [95% CI] |
83.8 [81.9, 85.6] |
26.6 [22.5, 31.0] | |
| Non-Brooklyn |
Median [95% CI] |
88.9 [87.5, 90.2] |
30.1 [26.4, 33.7] |