Table 3.
Minimum inhibitory concentrations (MIC) of cefixime, ceftriaxone, azithromycin, ciprofloxacin and penicillin for isolates with resistance to cefixime or with MICs at the breakpoint for resistance to cefixime (n = 24)
| Minimum inhibitory concentration (MIC) | |||||
|---|---|---|---|---|---|
| Isolate | Cefixime | Ceftriaxone | Azithromycin | Ciprofloxacin | Penicillin |
| 1 | 0.25 | 0.125 | 0.75 | 32 | 1 |
| 2 | 0.19 | 0.047 | 1 | 0.25 | 32 |
| 3 | 0.19 | 0.094 | 0.75 | 32 | 3 |
| 4 | 0.19 | 0.023 | 0.19 | 32 | 0.75 |
| 5 | 0.19 | 0.047 | 0.125 | 32 | 0.75 |
| 6 | 0.19 | 0.032 | 0.19 | 32 | 1.5 |
| 7 | 0.19 | 0.032 | 0.094 | 12 | 0.75 |
| 8 | 0.19 | 0.032 | 0.19 | 16 | 1 |
| 9 | 0.19 | 0.023 | 0.125 | 16 | 0.75 |
| 10 | 0.125 | 0.125 | 0.5 | 32 | 2 |
| 11 | 0.125 | 0.064 | 1 | 32 | 1 |
| 12 | 0.125 | 0.064 | 1 | 32 | 2 |
| 13 | 0.125 | 0.032 | 0.19 | 32 | 0.75 |
| 14 | 0.125 | 0.032 | 0.19 | 32 | 0.75 |
| 15 | 0.125 | 0.032 | 0.19 | 32 | 0.5 |
| 16 | 0.125 | 0.032 | 0.125 | 32 | 1.5 |
| 17 | 0.125 | 0.023 | 0.125 | 32 | 0.38 |
| 18 | 0.125 | 0.023 | 0.19 | 32 | 0.75 |
| 19 | 0.125 | 0.023 | 0.19 | 32 | 0.5 |
| 20 | 0.125 | 0.023 | 0.125 | 16 | 0.75 |
| 21 | 0.125 | 0.023 | 0.094 | 12 | 0.75 |
| 22 | 0.125 | 0.016 | 0.25 | 32 | 0.75 |
| 23 | 0.125 | 0.012 | 0.125 | 12 | 0.38 |
| 24 | 0.016 | 0.006 | 256 | 12 | 32 |