Research Article
Antimicrobial Resistance and Associated Risk Factors for Clostridium difficile in Patients Attending Tertiary Care Settings
Table 3
MIC of different antibiotics against C. difficile isolates.
| | Antibiotics | MIC range (mg/lit) | MIC50 (mg/L) | MIC90 (mg/L) | Clinical breakpoints | S n (%) | I n (%) | R n (%) | | S | I | R |
| | Vancomycin | 0.06–2 | 1 | 2 | ≤2 | — | >2 | 101 (93.5) | — | 7 (6.4) | | Metronidazole | 0.015–0.5 | 0.5 | 0.5 | ≤2 | — | >2 | 53 (21.2) | 14 (6.4) | 41 (38) | | Ampicillin | 0.03–2 | 0.5 | 2 | ≤4 | 8 | ≥16 | 12 (11.1) | 6 (5.6) | 90 (83.3) | | Ciprofloxacin | 0.12–30 | 2.0 | 30 | ≤2 | 4 | ≥8 | 35 (13.8) | 22 (20.3) | 51 (47.2) | | Imipenem | 0.25–4 | 2.5 | 4 | ≤4 | 8 | ≥16 | 96 (88.8) | 8 (7.4) | 4 (3.7) |
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