Table 1.
Distribution of MICs determined by both colorimetric methods and a microdilution reference method among S. aureus clinical isolates
| Methoda | No. of MRSA isolates for which the MIC is:b |
No. of MSSA isolates for which the MIC is:b |
Total no. isolates | |||||
|---|---|---|---|---|---|---|---|---|
| >32 μg/ml | 32 μg/ml | 16 μg/ml | 8 μg/ml | 4 μg/ml | 2 μg/ml | 1 μg/ml | ||
| RM | 142 | 2 | 6 | 1 | 50 | 73 | 1 | 275 |
| NRA | 138 | 3 | 6 | 4 | 24 | 96 | 4 | 275 |
| REMA | 141 | 3 | 6 | 1 | 111 | 12 | 1 | 275 |
a
RM, reference method, microdilution MIC.
b
Samples consisted of 151 MRSA isolates and 124 MSSA isolates.