TABLE 6.
Precision of the COBAS TaqMan HCV test (version 2.0) in serum
| Component of variance | %CV value for indicated concn (IU/ml) of HCV genotype 1 in seruma
|
||||||
|---|---|---|---|---|---|---|---|
| 1.17 × 106 | 1.31 × 105 | 1.31 × 104 | 1.31 × 103 | 1.31 × 102 | 6.56 × 101 | 3.28 × 101 | |
| Lot to lot | 2.7 | 0.0 | 12.3 | 13.9 | 11.1 | 0.0 | 10.4 |
| Instrument to instrument | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Operator to operator | 12.0 | 12.8 | 0.0 | 0.0 | 6.6 | 0.0 | 9.7 |
| Between run | 16.5 | 17.5 | 16.2 | 16.5 | 16.9 | 32.9 | 31.2 |
| Within run | 15.2 | 13.9 | 18.9 | 12.9 | 24.3 | 36.5 | 46.1 |
| Total | 25.6 | 25.8 | 27.7 | 25.1 | 32.3 | 49.1 | 57.5 |
a
The %CV values for each component of the variance analysis and for the total variance are shown for each of the seven levels tested. n was 72 for each level.