Vancomycin concentration (mg/L) | Inhibition zone diameters (mean in mm ± SD) | Coefficient of variation (%) Intra-day | Coefficient of variation (%) Inter-day |
---|---|---|---|
128 | 18.00 ± 0.04 | 8.3 | 10.3 |
64 | 16.33 ± 0.02 | 5.6 | 10.5 |
32 | 14.16 ± 0.11 | 11.0 | 1.0 |
16 | 11.62 ± 0.37 | 7.4* | 2.3 |
8 | 9.59 ± 0.00 | 4.6 | 6.5 |