Table 3 MIC using the E-Test of 10 antimicrobial agents for 198 NTS isolates from blood cultures (BC) and 162 NTS isolates from stools (ST) at two Hospitals in Nairobi, Kenya (2002–2004).
Antimicrobial | Minimum Inhibitory Concentration (μg/ml) | |||||
|---|---|---|---|---|---|---|
Agent | Range | Â | MIC90 | % Resistant | ||
| Â | BC | ST | BC | ST | BC | ST |
Ampicillin | 0.25->256 | 0.25->256 | 64 | 64 | 54 | 49 |
Co-amoxiclav | 0.75->256 | 0.38–32 | 16 | 16 | 8 | 13 |
Cefuroxime | 2->256 | 2->256 | 32 | 32 | 30 | 28 |
Ceftriaxone | 0.094–16 | 0.023–6 | 2 | 0.12 | 0 | 0 |
Gentamicin | 0.06->256 | 0.125->256 | 8 | 6 | 16 | 9 |
Co-trimoxazole | 0.064->32 | 0.032->32 | 32 | 32 | 46 | 48 |
Chloramphenicol | 0.19->256 | 0.19->256 | 32 | 32 | 26 | 22 |
Tetracycline | 0.064->256 | 0.75->256 | 128 | 32 | 51 | 39 |
Nalidixic acid | 1.5->256 | 1.5->256 | 3 | 8 | 12 | 6 |
Ciprofloxacin | 0.064–4 | 0.008–0.125 | 0.125 | 0.032 | 0 | 0 |