Table 2.
Prediction accuracy of each task made at different time points
| Hospital A | Hospital B | |
|---|---|---|
| Inpatient mortality, AUROC a (95% CI) | ||
| 24 h before admission | 0.87 (0.85–0.89) | 0.81 (0.79–0.83) |
| At admission | 0.90 (0.88–0.92) | 0.90 (0.86–0.91) |
| 24 h after admission | 0.95 (0.94–0.96) | 0.93 (0.92–0.94) |
| Baseline (aEWSb) at 24 h after admission | 0.85 (0.81–0.89) | 0.86 (0.83–0.88) |
| 30-day readmission, AUROC (95% CI) | ||
| At admission | 0.73 (0.71–0.74) | 0.72 (0.71–0.73) |
| At 24 h after admission | 0.74 (0.72–0.75) | 0.73 (0.72–0.74) |
| At discharge | 0.77 (0.75–0.78) | 0.76 (0.75–0.77) |
| Baseline (mHOSPITALc) at discharge | 0.70 (0.68–0.72) | 0.68 (0.67–0.69) |
| Length of stay at least 7 days, AUROC (95% CI) | ||
| At admission | 0.81 (0.80–0.82) | 0.80 (0.80–0.81) |
| At 24 h after admission | 0.86 (0.86–0.87) | 0.85 (0.85–0.86) |
| Baseline (Liud) at 24 h after admission | 0.76 (0.75–0.77) | 0.74 (0.73–0.75) |
| Discharge diagnoses (weighted AUROC) | ||
| At admission | 0.87 | 0.86 |
| At 24 h after admission | 0.89 | 0.88 |
| At discharge | 0.90 | 0.90 |
aArea under the receiver operator curve
bAugmented Early Warning System score
cModified HOSPITAL score for readmission
dModified Liu score for long length of stay
The bold values indicate the highest area-under-the-receiver-operator-curve for each prediction task