TABLE 1.
Reproducibility testing
| Drug (concn in μg/ml) | No. of tests performeda | No. of results agreeing with reference method (BACTEC 460 TB) | Agreement (%) |
|---|---|---|---|
| INH (0.1) | 170 | 170 | 100 |
| INH (0.4) | 170 | 165 | 97.1 |
| RIF (1.0) | 170 | 169 | 99.4 |
| EMB (5.0) | 170 | 170 | 100 |
| EMB (7.5) | 167 | 166 | 99.4 |
| STR (1.0) | 170 | 169 | 99.4 |
| STR (4.0) | 170 | 170 | 100 |
| S Total of tests | 1,187 | 1,179 | 99.3 |
a
Center 1, 10 strains in duplicate at three different times (thus, six replicates per strain); center 2, 10 strains in triplicate at three different times (thus, nine replicates per strain); and center 3, 10 strains in triplicate (thus, two replicates per strain).