Table 4.

Comparison of models in predicting the 30-day mortality of SAE

Predictive Model		AUROC	P value	IDI	P value	Brier index	P value
Training set	Nomogram	0.763 [0.736–0.791]				0.139 [0.129–0.150]
	SOFA	0.635 [0.602–0.667]	< 0.001	0.126[0.106–0.145]	< 0.001	0.161 [0.150–0.171]	< 0.001
	LODS	0.648 [0.617–0.679]	< 0.001	0.119[0.098–0.140]	< 0.001	0.159 [0.149–0.170]	< 0.001
Validation set	Nomogram	0.753 [0.713–0.794]				0.144 [0.128–0.159]
	SOFA	0.666 [0.619–0.713]	< 0.001	0.082[0.054–0.110]	< 0.001	0.157 [0.141–0.174]	< 0.001
	LODS	0.681 [0.635–0.727]	< 0.001	0.071[0.041–0.101]	< 0.001	0.155 [0.139–0.172]	< 0.001

The P value was drew by comparing the results of nomogram with SOFA or LODS

SOFA Sequential Organ Failure Assessment, AUROC area under the receiver operating characteristic curve, IDI integrated discrimination improvement