Table 3.
Antibacterial susceptibility pattern of UTIs causing gram-negative bacterial isolates
| Bacterial isolate | Pattern | Antibacterial | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| AMP | STX | GN | MER | NIT | CTR | NOR | TET | CIP | CAF | ||
| E. coli (16) | S | 1(6.3) | 3 (18.7) | 15 (93.7) | 14 (87.5) | 16 (100) | 12 (75) | 14 (87.5) | 4 (25) | 15 (93.7) | 14 (87.5) |
| R | 15 (93.7) | 13 (81.3) | 1 (6.3) | 2 (12.5) | 0 (0) | 4 (25) | 2 (12.5) | 12 (75) | 1 (6.3) | 2 (12.5) | |
| K. pneumonia (4) | S | 0(0) | 1 (25) | 4 (100) | 4 (100) | 4 (100) | 3 (75) | 3 (75) | 3 (75) | 3 (75) | 2 (50) |
| R | 4 (100) | 3 (75) | 0 (0) | 0 (0) | 0 (0) | 1 (25) | 1 (25) | 1 (25) | 1 (25) | 2 (50) | |
| E. aerogenes (2) | S | 0 (0) | 1 (50) | 1 (50) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 1 (50) | 2 (100) | 2 (100) |
| R | 2 (100) | 1 (50) | 1 (50) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 1 (50) | 0 (0) | 0 (0) | |
| P. mirabilis (2) | S | 0 (0) | 0 (0) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 2 (100) | 0 (0) | 2 (100) | 2 (100) |
| R | 2 (100) | 2 (100) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (100) | 0 (0) | 0 (0) | |
Key: S: Susceptible, R: Resistant, AMP: ampicillin, CIP: ciprofloxacin, MER: meropenem, CTR: ceftriaxone, NIT: nitrofurantoin, GN: gentamicin, NOR: norfloxacin, TET: tetracycline, CFT: cefoxitin, STX: cotrimoxazole, CAF: chloramphenicol.