Table 3: Antibiotic resistance pattern of isolated Gram negative organisms.
|
|
K. pneumoniae (74) |
E. coli (49) |
Proteus (23) |
P. aeruginosa (39) |
Acinetobacter (7) |
|
N (%) |
N (%) |
N (%) |
N (%) |
N (%) |
|
|
Ampicillin |
64 (86.5) |
42 (85.7) |
NT |
NT |
NT |
|
Ampicillin/sulbactam |
61 (82.4) |
29 (59.2) |
20 (87) |
NT |
5 (71.4) |
|
Piperacillin/Tazobactam |
62 (83.8) |
30 (61.2) |
9 (39) |
22 (56.4) |
7 (100) |
|
Cefazolin |
65 (87.5) |
46 (93.9) |
21 (91.3) |
NT |
NT |
|
Ceftazidime |
63 (85) |
34 (69.7) |
14 (60.9) |
28 (71.8) |
5 (71.4) |
|
Cefotaxime |
63 (85) |
39 (79.6) |
17 (73.9) |
NT |
NT |
|
Cefoperazone |
49 (66.2) |
38 (77.6) |
16 (69.6) |
NT |
NT |
|
Cefepime |
58 (78.4) |
32 (65.3) |
18 (78.3) |
33 (84.6) |
5 (71.4) |
|
Imipenem |
16 (21.6) |
4 (8.2) |
5 (21.7) |
10 (25.6) |
5 (71.4) |
|
Aztreonam |
54 (73) |
29 (59.2) |
8 (34.8) |
27 (69.3) |
NT |
|
Gentamicin |
42 (56.8) |
22 (44.9) |
15 (65.2) |
17 (43.6) |
5 (71.4) |
|
Tobramycin |
37 (50) |
20 (40.8) |
NT |
13 (33.3) |
5 (71.4) |
|
Amikacin |
23 (31) |
7 (14.3) |
9 (39) |
12 (30.8) |
6 (85.7) |
|
Ciprofloxacin |
54 (73) |
40 (81.6) |
NT |
NT |
5 (71.4) |
|
Levofloxacin |
26 (3) |
16 (32.7) |
7 (30.4) |
9 (23) |
4 (57.1) |
|
Chloramphenicol |
36 (48.7) |
5 (10.2) |
8 (34.8) |
NT |
NT |
|
Tetracycline |
44 (59.5) |
18 (36.7) |
16 (69.6) |
NT |
3 (42.9) |
NT: Not tested; "Nitrofurantoin tested only with urine samples with % resistant to Klebsiella spp. (33.3%), E. coli (17.2%), and Norfloxacin tested only with urine samples with % resistant to Klebsiella spp. (50%), and to Pseudomonas spp. (28.6%) and to E. coli (72.5%)