Table 2.

The diagnostic efficacy calculation results of WeDA system and SNAP-IV

	Specificity (%)		Sensitivity (%)		Youden index	PLR		NLR		Diagnostic odds ratio	PPV (%)		NPV (%)		Diagnostic accuracy (%)
	point value	95%CI	point value	95%CI		point value	95%CI	point value	95%CI		point value	95%CI	point value	95%CI
WeDA System	94.55	83.93–98.58	98.18	89.01–99.91	0.93	52	7.45–362.98	0.06	0.02–0.17	935.99	98.11	88.62–99.90	94.74	84.45–98.63	96.36
SNAP-IV	76.36	62.67–86.34	80.36	67.16–89.33	0.57	3.89	2.24–6.74	0.29	0.18–0.48	13.22	79.25	65.5–88.70	77.59	64.40–87.08	78.18

NLR Negative likelihood ratio, NPV Negative predictive value, PLR Positive likelihood ratio, PPV Positive predictive value