Table 2. Clinical statistics in the diagnosis.

	Accuracy	AUC	AUC 95% CIs	NPV	PPV	Sensitivity	Specificity
Training data set	0.7806	0.8344	0.7712–0.8872	0.7822	0.7789	0.7708	0.7900
Test data set	0.7262	0.751	0.6382–0.8531	0.7941	0.68	0.8293	0.6279