TABLE 2.
Performance of the Aptima HIV-1 RNA qualitative assay with 16- and 32-member specimen pools
| Pool size and testing standard | Mean no. of HIV-1 RNA copies/ml | Mean NYSDOH S/CO ratio (SD) | CV%c |
|---|---|---|---|
| 16 membersa | |||
| Level 1 | 1,070 | 12.4 (5.1) | 40.7 |
| Level 2 | 2,130 | 17.3 (5.4) | 30.9 |
| Level 3 | 5,330 | 22.0 (4.6) | 20.8 |
| 32 members,b level 2 | 2,130 | 13.2 (6.4) | 48.4 |
a
Each standard was analyzed 24 times, and the analysis was repeated.
b
The standard was analyzed 12 times, and the analysis was not repeated.
c
CV%, percent coefficient of variation, analysis of variance.