Table 1.
The antibiotic-resistanceof the two groups {carbapenem-resistant E.coli (CREC) and carbapenem-susceptible E.coli (CSEC)}
| Case (n = 49) | Control (n = 98) | p | |
|---|---|---|---|
| Ampicillin | 47/47 (100%) | 90/96 (94%) | 0.08 |
| Piperacillin/tazobactam | 38/48 (79%) | 10/96 (10%) | 0.00 |
| Ampicillin/sulbactam | 40/40 (100%) | 75/88 (85%) | 0.01 |
| Cefoperazone/sulbactam | 29/45 (64%) | 13/96 (14%) | 0.00 |
| Cefazolin | 42/42 (100%) | 75/92 (82%) | 0.00 |
| Ceftazidime | 37/39 (95%) | 48/87 (55%) | 0.00 |
| Ceftriaxone | 47/47 (100%) | 75/97 (77%) | 0.00 |
| Cefepime | 49/49 (100%) | 50/96 (52%) | 0.00 |
| Cefotetan | 22/31 (71%) | 2/85 (2%) | 0.00 |
| Aztreonam | 47/49 (96%) | 62/97 (54%) | 0.00 |
| Tobramycin | 26/45 (58%) | 51/94 (54%) | 0.69 |
| Amikacin | 3/48 (6%) | 8/98 (8%) | 0.68 |
| Gentamicin | 26/48 (54%) | 49/98 (50%) | 0.64 |
| Ciprofloxacin | 41/46 (89%) | 64/96 (67%) | 0.00 |
| Levofloxacin | 41/49 (84%) | 60/96 (63%) | 0.01 |
| Trimethoprim + sulfamethoxaz ole | 36/49 (73%) | 58/96 (60%) | 0.05 |
| Nitrofurantoin | 18/44 (41%) | 20/98 (20%) | 0.01 |
NOTE. Categorical variables are no/total no (%), case is carbapenem-resistant E.coli (CREC), control is carbapenem-susceptible E.coli (CSEC)