TABLE 10.

Reproducibility of the AMPLICOR and COBAS AMPLICOR HCV v2.0 tests^a

No. of HCV RNA copies/ml	Correct result	AMPLICOR			COBAS AMPLICOR
		No. of specimens tested	% Correct result	95% CIb	No. of specimens tested	% Correct result	95% CI
0	Negative	153	99.3	96.4–99.9	171	100	97.9–100
200	Positive	38	100	90.1–100	43	100	91.8–100
300	Positive	38	100	90.8–100	42	100	91.6–100
500	Positive	38	97.4	86.2–99.9	43	97.7	87.1–99.9
50,000	Positive	38	100	90.8–100	43	100	91.8–100

^aPooled data from four test sites (EU, UM, UW, and Roche Molecular Systems). Results for five PI panel members were excluded from the data analysis (one in AMPLICOR and four in COBAS AMPLICOR). 

^bCI, confidence interval.