TABLE 2.

Aptima assay results with DBSs and results of two repeat assays for 10 samples that were nonreactive by the Roche Amplicor assay

Roche Amplicor assay result	Initial Aptima assay		First repeat of Aptima assay		Second repeat of Aptima assay
	Result	S/CO ratio	Result	S/CO ratio	Result	S/CO ratio
Nonreactive	Reactive	0.58	Nonreactive	0.03	Nonreactive	0.30
Nonreactive	Reactive	1	Nonreactive	0.05	Reactive	3.38
Nonreactive	Reactive	1.95	Nonreactive	0.03	Nonreactive	0.17
Nonreactive	Reactive	3.12	Reactive	1.26	Nonreactive	0.02
Nonreactive	Reactive	5.21	Nonreactive	0.29	Nonreactive	0.19
Nonreactive	Reactive	6.83	Nonreactive	0.20	Nonreactive	0.12
Nonreactive	Reactive	7.35	Nonreactive	0.04	Nonreactive	0.18
Nonreactive	Reactive	8.79	Nonreactive	0.02	Nonreactive	0.11
Nonreactive	Reactive	10.04	Nonreactive	0.04	Nonreactive	0.05
Nonreactive	Reactive	22.75	Nonreactive	0.22	Nonreactive	0.18