Table 3 Prognosis performance of the two-stage scoring system for the prediction of 30-day mortality.
Risk score | Event rate (95% CI), % | Discrimination | Calibration | ||||
|---|---|---|---|---|---|---|---|
AUC (95% CI) | Sensitivity | Specificity | HL P value | Nagelkerke-R2 | Brier score | ||
In derivation dataset | |||||||
FMC stage risk score | 9.07(8.02–10.20) | 0.816(0.790–0.843) | 0.700 | 0.795 | 0.780 | 0.249 | 0.070 |
In-hospital stage risk score | 0.854(0.831–0.878) | 0.872 | 0.670 | 0.249 | 0.323 | 0.065 | |
In internal validation dataset | |||||||
FMC stage risk score | 8.63(7.09–10.38) | 0.843(0.804–0.882) | 0.735 | 0.795 | 0.839 | 0.292 | 0.064 |
In-hospital stage risk score | 0.876(0.842–0.909) | 0.745 | 0.836 | 0.889 | 0.367 | 0.059 | |
