TABLE 3.

Sensitivity, specificity, and predictive values of the MAb-blocking EIA and the SIA for HSV-2 antibodies

Assay characteristic	EIA			SIA
	Ratio	%	95% CIe	Ratio	%	95% CI
Sensitivitya	531/545	97.4	95.6–98.5	523/545	96.0	93.9–97.4
Specificityb	1,024/1,029	99.5	98.8–99.8	1,027/1,029	99.8	99.2–100.0
Predictive value, positive testc	531/536	99.1	97.7–99.7	523/525	99.6	98.5–99.9
Predictive value, negative testd	1,024/1,038	98.7	97.7–99.2	1,027/1,049	97.9	96.8–98.6

^aNumber of true-positive test results per total number of true positives. 

^bNumber of true-negative test results per total number of true negatives. 

^cNumber of true-positive test results per total number of positive test results. 

^dNumber of true-negative test results per total number of negative test results. 

^eCI, confidence interval.