Table 2. ROC curve details for all the PCA models.

Model Name	Associated Criteria	Sensitivity	Specificity	Significance P (area = 0.5)	Youden Index J	Area under the curve	95% CI
Model 1	>26.93393745	40.63	76.67	0.8461	0.1729	0.515	0.384 to 0.644
Model 2	≤8.574554323	78.12	90.00	<0.0001	0.6813	0.827	0.710 to 0.911
Model 3	≤3.151672989	31.25	100.0	0.0159	0.3125	0.667	0.535 to 0.781
Model 4	>18.46076597	96.87	90.00	<0.0001	0.8688	0.975	0.899 to 0.998
Model 5	>11.93832043	68.75	86.67	0.0067	0.5542	0.703	0.574 to 0.812