Table 3 Performance metrics of XGBoost model on the secondary analysis. Only the 12 h prediction window is included. (OW, Observation window, PR, positive rate)
OW | AUROC | AUPRC | Accuracy | Sensitivity | Specificity | MCC | Brier Score | PR (%) |
|---|---|---|---|---|---|---|---|---|
pre- ICU | 0.69 ± 0.04 | 0.31 ± 0.04 | 0.62 ± 0.12 | 0.68 ± 0.17 | 0.60 ± 0.17 | 0.22 ± 0.06 | 0.14 ± 0.00 | 15 |
only-ICU | 0.81 ± 0.00 | 0.38 ± 0.01 | 0.69 ± 0.05 | 0.81 ± 0.07 | 0.67 ± 0.06 | 0.33 ± 0.01 | 0.12 ± 0.00 | 12 |