Table 5 Performance standards for E. coli, V. cholerae, Salmonella spp. and Shigella spp. isolated from children with diarrhea to antimicrobial susceptibility testing performed in this study.
Antibiotics groups | Antibiotics | Interpretive categories and zone diameter breakpoints, nearest whole mm | ||
|---|---|---|---|---|
S | I | R | ||
Cephem | Ceftriaxone (CRO, 30μg) | ≥ 26 | 23–25 | ≤ 22 |
Carbapenems | Imipenem (IPM, 10μg) | ≥ 23 | 20–22 | ≤ 19 |
Meropenem (MEM, 10μg) | ≥ 23 | 20–22 | ≤ 19 | |
Macrolides | Erythromycin (E, 10μg) | ≥ 23 | 14–22 | ≤ 13 |
Tetracycline | Tetracycline (TE, 30μg) | ≥ 15 | 12–14 | ≤ 11 |
Doxycycline (DO, 30μg) | ≥ 14 | 11–13 | ≤ 10 | |
Quinolones | Ciprofloxacin (CIP, 10μg) | ≥ 26 | 22–25 | ≤ 21 |
Norfloxacin (NOR, 10μg) | ≥ 17 | 13–16 | ≤ 12 | |
Phenicol | Chloramphenicol (CL, 10μg) | ≥ 18 | 13–17 | ≤ 12 |
Lipopeptide | Colistin (C, 10μg) | |||
Folate pathway antagonist | Cotrimoxazole (COT, 25μg) | ≥ 16 | 11–15 | ≤ 10 |
