Table 3.
The Antimicrobial Resistance Profiles of the Retrieved Gram-Negative Rods
| Antimicrobial Agents | K. pneumoniae (n=85) | E. coli (n=30) | A. baumannii (n=39) | E. aerogenes (n=11) | P. mirabilis (n=5) | P. aeruginosa (n=36) |
|---|---|---|---|---|---|---|
| R | R | R | R | R | R | |
| n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |
| Imipenem (IMP) | 36 (42.4) | 7 (21.9) | 19 (48.7) | 3 (27.3) | 0 (0) | 10 (27.8) |
| Meropenem (MEM) | 36 (42.4) | 7 (21.9) | 19 (48.7) | 3 (27.3) | 0 (0) | 10 (27.8) |
| Colistin (CT) | 16 (18.8) | 1 (3.1) | 8 (20.5) | 1 (9.1) | 0 (0) | 2 (5.6) |
| Amoxicillin-clavulanic (AUG) | 66 (77.6) | 20 (62.5) | 32 (82.1) | 7 (63.5) | 2 (40) | 2 (5.6) |
| Piperacillin-tazobactam (TZP) | 56 (65.9) | 19 (59.4) | 31 (79.5) | 7 (63.5) | 1 (20) | 25 (69.4) |
| Cefepime (FEP) | 75 (88.2) | 27 (84.4) | 32 (82.1) | 7 (63.5) | 4 (80) | 26 (72.2) |
| Ceftazidime (CAZ) | 76 (89.4) | 29 (90.6) | 30 (76.9) | 7 (63.5) | 4 (80) | 22 (61.1) |
| Ceftriaxone (CRO) | 74 (87.1) | 29 (90.6) | 30 (76.9) | 7 (63.5) | 3 (60) | 24 (66.7) |
| Aztreonam (ATM) | 75 (88.2) | 28 (87.5) | 33 (84.6) | 6 (54.5) | 3 (60) | 18 (50) |
| Amikacin (AK) | 54 (63.5) | 21 (65.6) | 27 (69.2) | 3 (27.3) | 0 (0) | 16 (44.4) |
| Gentamycin (CN) | 62 (72.9) | 23 (71.9) | 29 (74.4) | 7 (63.5) | 2 (40) | 23 (63.9) |
| Tetracycline (TE) | 71 (83.5) | 25 (78.1) | 32 (82.1) | 5 (45.5) | 3 (60) | 21 (58.3) |
| Ciprofloxacin (CIP) | 75 (88.2) | 26 (81.3) | 32 (82.1) | 8 (72.7) | 4 (80) | 18 (50.0) |
| Levofloxacin (LEV) | 76 (89.4) | 28 (87.5) | 34 (87.2) | 7 (63.5) | 2 (40) | 21 (58.3) |
| Trimethoprim-sulfamethoxazole (SXT) | 74 (87.1) | 27 (84.4) | 35 (89.7) | 7 (63.5) | 4 (80) | 24 (66.7) |
| Chi-square P value |
292.6699 P<0.0001 |
182.4720 P<0.0001 |
96.6036 P<0.0001 |
23.0515 0.0594 |
30.8477 0.0058 |
98.2789 P<0.0001 |