Table 4.
Antimicrobial resistance patterns of E. coli and Klebsiella spp. from patients with UTIs
| No. (%) resistant to | |||
|---|---|---|---|
|
|
|||
| Antimicrobial agent | E. coli (n=208) | Klebsiella spp. (n=69) | P (odds ratio) |
| Ampicillin | 144 (69.2) | 69 (100) | 0.0000001 (Undefined) |
| Ampicillin/sulbactam | 64 (30.8) | 22 (31.9) | NS |
| Cefazoline | 45 (21.6) | 26 (37.7) | <0.008 (2.19) |
| Cefoxitin | 8 (3.8) | 4 (5.8) | NS |
| Ceftazidime | 14 (6.7) | 22 (31.9) | 0.0000001 (6.49) |
| Ceftriaxone | 14 (6.7) | 23 (33.3) | 0.0000000 (6.93) |
| Cefepime | 13 (6.3) | 22 (31.9) | 0.0000000 (7.02) |
| Imipenem | 1 (0.5) | 4 (5.8) | <0.005 (12.74) |
| Meropenem | 1 (0.5) | 3 (4.3) | <0.02 (9.41) |
| Amikacin | 0 (0.0) | 1 (1.4) | NS |
| Gentamicin | 23 (11.1) | 16 (23.2) | <0.02 (2.43) |
| Tobramycin | 17 (8.2) | 9 (13) | NS |
| Ciprofloxacin | 48 (23.1) | 12 (17.4) | NS |
| Levofloxacin | 40 (19.2) | 9 (13) | NS |
| Nitrofurantoin | 4 (1.9) | 21 (30.4) | 0.0000000 (22.31) |
| Trimethoprim/sulfamethoxazole | 77 (37) | 17 (24.6) | NS |