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Comparison of MICs and CLSI categorical criteria for 107 clinical isolates by CLSI reference agar dilution, MIC test strip, and Etesta
| Method | No. (%) of susceptible isolates | P value | MIC (mg/liter) |
|||
|---|---|---|---|---|---|---|
| 50% | 90% | Mode | Geometric mean | |||
| Agar dilution | 103 (96) | 0.25 | 0.5 | 0.25 | 0.26 | |
| MIC test strip | 91 (85) | 0.01 | 1 | 2 | 1 | 0.79 |
| Etest | 102 (95) | 0.73 | 0.5 | 1 | 0.5 | 0.47 |
The higher MIC of replicate gradient strips is presented.
