TABLE 1.

Performance of the HSV-2 ELISA with Western blot analysis

Index value	ELISA/WB^a				Sensitivity (%)	Specificity (%)
Index value	+/+	−/+	+/−	−/−	Sensitivity (%)	Specificity (%)
1.1	459	5	136	149	98.9	52.3
1.5	456	8	111	174	98.2	61.1
2.0	444	20	86	199	95.7	69.8
2.2	441	23	73	212	95.0	74.4
2.4	429	35	64	221	92.5	77.5
2.6	421	43	60	225	90.7	79.0
2.8	414	50	58	227	89.2	79.7
3.0	406	58	53	232	87.5	81.4
3.2	404	60	48	237	87.1	83.2
3.4	394	70	45	240	84.9	84.2
3.6	380	84	41	244	81.9	85.6
3.8	370	94	40	245	79.7	86.0
4.0	366	98	37	248	78.9	87.0
5.0	317	147	28	257	68.3	90.2

↵a Number of subjects positive by ELISA and WB (+/+), positive by ELISA and negative by WB (+/−), negative by ELISA and positive by WB (−/+), and negative by ELISA and WB (−/−) for HSV-2.