Table 2.

Discrimination of different time of infection groups using PCA dimensions as scores.

	AUC	95% CI	p value	cut off	Sensitivity %	95% CI	Specificity %	95% CI
<1 month–3 month	0.73	0.61–0.85	0.0008	>2.84	41.67	27.14–57.80	97.22	85.83–99.86
<1 month–6 month	0.85	0.76–0.94	<0.0001	> 1.61	63.89	47.58–77.52	97.22	85.83–99.86
3 month–6 month	0.68	0.55–0.80	0.0106	>1.76	33.33	20.21–49.67	97.22	85.83–99.86
3 month–12 month	0.98	0.94–1.00	<0.0001	> -1.00	94.44	81.86–99.01	100.00	67.56–100.00
6 month–12 month	0.89	0.79–0.99	0.0007	> −0.99	75.00	58.93–86.25	100.00	67.56–100.00
12 month - Negative	0.96	0.90–1.00	<0.0001	> −1.59	75.00	40.93–95.56	97.5	87.12–99.87