TABLE 1.

Sensitivity and specificity of the Aptima assay compared to the results of the Roche Amplicor assay performed with DBSs and WB^a

Sample	Sensitivity (%)	Specificity (%)b
DBS (n = 494)	100 (96.9-100)	97 (94.5-98.5)
Whole blood (n = 481)	100 (93.6-100)	99.5 (98-99.9)

^aThe Roche Amplicor assay was considered the reference assay. Values in parentheses are confidence intervals.

^bTen reactive samples with discrepant results yielded reactive results in two samples upon repeat testing, increasing the specificity to 99.4% (confidence interval, 97.7% to 99.9%).