TABLE 4.
Reproducibility of the flow cytometric susceptibility test for three isolates of M. tuberculosis with varied susceptibilities and resistances to INH, EMB, or RIF
| Isolate | Results of proportion methoda | Values for flow cytometric method
|
||
|---|---|---|---|---|
| Antimycobacterial agent (concn) | Mean of susceptibility index | Standard deviation | ||
| 531 | Control | 1.00 | 0.00 | |
| R | RIF (1.0 μg/ml) | 1.02 | 0.08 | |
| S | EMB (5.0 μg/ml) | 0.68 | 0.03 | |
| 126 | Control | 1.00 | 0.00 | |
| R | INH (0.2 μg/ml) | 0.91 | 0.02 | |
| S | INH (1.0 μg/ml) | 0.72 | 0.04 | |
| S | INH (5.0 μg/ml) | 0.71 | 0.02 | |
| S | RIF (1.0 μg/ml) | 0.70 | 0.03 | |
| 072 | Control | 1.00 | 0.00 | |
| R | INH (0.2 μg/ml) | 0.99 | 0.02 | |
| R | INH (1.0 μg/ml) | 1.00 | 0.01 | |
| R | INH (5.0 μg/ml) | 1.17 | 0.08 | |
| R | EMB (5.0 μg/ml) | 0.99 | 0.05 | |