Table 2.

Evaluations of all mortality prediction systems (mean ± std).

	SAPS II	SOFA	APACHE II	RF	LSTM	eLSTM	ANOVA test
AUROC	0.7788 ± 0.0166∗	0.7354 ± 0.0184∗	0.7467 ± 0.0173∗	0.8282 ± 0.0151∗	0.8382 ± 0.0158∗	0.8451 ± 0.0136	F = 926.328, p=0.000
AUPRC	0.3800 ± 0.0334∗	0.3381 ± 0.0307∗	0.3515 ± 0.0306∗	0.4197 ± 0.0393∗	0.4751 ± 0.0351∗	0.4862 ± 0.0345	F = 426.683, p=0.000
Sensitivity/recall	0.6922 ± 0.0267∗	0.5418 ± 0.0394∗	0.6478 ± 0.0303∗	0.7197 ± 0.0395∗	0.7384 ± 0.0401∗	0.7758 ± 0.0321	F = 438.869, p=0.000
Specificity	0.7404 ± 0.0102∗	0.7958 ± 0.0101∗	0.7256 ± 0.0119∗	0.7807 ± 0.0218∗	0.7746 ± 0.0182∗	0.7503 ± 0.0136	F = 229.707, p=0.000
Accuracy	0.7347 ± 0.0096∗	0.7658 ± 0.0106∗	0.7164 ± 0.0113∗	0.7734 ± 0.0174∗	0.7703 ± 0.0148∗	0.7533 ± 0.0112	F = 234.492, p=0.000
Precision	0.2633 ± 0.0145∗	0.2622 ± 0.0179∗	0.2404 ± 0.0149∗	0.3063 ± 0.0211∗	0.3056 ± 0.0208∗	0.2941 ± 0.0158	F = 271.132, p=0.000
F1	0.3813 ± 0.0180∗	0.3532 ± 0.0227∗	0.3505 ± 0.0187∗	0.4290 ± 0.0216	0.4317 ± 0.0230	0.4262 ± 0.0181	F = 363.817, p=0.000

^∗The difference with the eLSTM model is significant at the 0.05 level. Bold indicates the highest mean value.