Table 3.

Model performance with different input data lengths.

Model	Training ACCa	Validation ACC	Testing ACC	Sensitivity	Specificity	PPVb	NPVc	AUCd
Preliminary model 48 h	0.8667	N/A	0.7143	0.8333	0.625	0.625	0.8333	0.7292
Preliminary model 24 h	0.8333	N/A	0.6429	0.6667	0.625	0.5714	0.7143	0.6458
Final model 48 h	0.9667	0.75	0.8333	1.0	0.6667	0.75	1.0	0.8333
Final model 24 h	0.9333	0.625	0.6667	0.6667	0.6667	0.6667	0.6667	0.6667

^a ACC: accuracy.

^b PPV: positive predictive value.

^c NPV: negative predictive value.

^dAUC: area under the receiver operating characteristic curve.