Antimicrobial agents | S. typhi(N = 25) | S. paratyphi A (N = 64) | ||||||
---|---|---|---|---|---|---|---|---|
R% | S% | MIC 50 (μg/mL) | MIC 90 (μg/mL) | R% | S% | MIC 50 (μg/mL) | MIC 90 (μg/mL) | |
Nalidixic acid | 52 | 48 | 64 | ≥256 | 95.3 | 4.7 | ≥256 | ≥256 |
Norfloxacin | 0 | 100 | 0.25 | 1 | 0 | 100 | 2 | 2 |
Ciprofloxacin | 0 | 100 | 0.064 | 0.25 | 0 | 100 | 0.5 | 0.5 |
Levofloxacin | 0 | 100 | 0.125 | 0.5 | 0 | 100 | 1 | 1 |
Gatifloxacin | 0 | 100 | 0.064 | 0.25 | 0 | 100 | 0.5 | 1 |
Sparfloxacin* | - | - | 0.125 | 1 | - | - | 1 | 2 |
Moxifloxacin* | - | - | 0.125 | 0.5 | - | - | 1 | 1 |
Cefotaxime | 0 | 100 | 0.064 | 0.064 | 1.6 | 98.4 | 0.125 | 0.5 |
Ceftriaxone | 0 | 100 | 0.064 | 0.125 | 1.6 | 98.4 | 0.125 | 0.25 |
Ampicillin | 4 | 96 | 1 | 4 | 1.6 | 98.4 | 2 | 4 |
Chloramphenicol | 0 | 100 | 2 | 4 | 0 | 98.4 | 4 | 8 |
Trimethoprim/sulfamethoxazole | 0 | 100 | 0.25 | 0.25 | 0 | 100 | 0.25 | 0.25 |