Table 2.

Performance metrics for 30-day survival models.

	C-index (95% CI)	IBS (95% CI)	Time-dependent AUC (95% CI)
Training dataset
Cox	0.780 (0.779, 0.780)	0.082 (0.082, 0.082)	0.804 (0.801, 0.806)
EST	0.906 (0.904, 0.907)	0.066 (0.066, 0.066)	0.941 (0.939, 0.943)
ST	0.698 (0.690, 0.706)	0.088 (0.087, 0.089)	0.778 (0.777, 0.780)
GBST	0.798 (0.796, 0.800)	0.082 (0.082, 0.082)	0.825 (0.822, 0.828)
DeepSurv	0.671 (0.653, 0.690)	0.101 (0.099, 0.102)	0.693 (0.690, 0.696)
Validation dataset
Cox	0.775 (0.774, 0.776)	0.086 (0.086, 0.086)	0.786 (0.781, 0.791)
EST	0.777 (0.775, 0.779)	0.086 (0.086, 0.086)	0.795 (0.789, 0.801)
ST	0.692 (0.684, 0.699)	0.092 (0.092, 0.093)	0.757 (0.753, 0.761)
GBST	0.738 (0.735, 0.741)	0.090 (0.090, 0.090)	0.751 (0.746, 0.756)
DeepSurv	0.678 (0.642, 0.714)	0.101 (0.099, 0.102)	0.711 (0.708, 0.713)