Table 1.
Negative results by assay for two specimens with low viral loads
HIV-1 type | Median viral load (log copies/ml) | No. (%) of specimens with negative results by the following assay: |
|||||
---|---|---|---|---|---|---|---|
Siemens bDNA Versant (1.7)a | bioMérieux Nuclisens (1.4) | Roche Amplicor Monitor (2.6) | Roche Cobas Monitor (2.6) | Roche Cobas TaqMan (1.6) | Abbott RealTime (1.6) | ||
B | 2.30 | 11 (64.7) | 7 (43.8) | 1 (20.0) | 1 (20.0) | 1 (1.6) | 2 (7.7) |
Non-B | 2.52 | 12 (47.8) | 4 (25.0) | 1 (12.5) | 1 (14.3) | 1 (1.3) | 0 (0.0) |
Values in parentheses represent the limit of detection (in log copies/ml).