Table 4.
Selection of cefoxitin-resistant bacterial strains at 30 days on any sample after administration of cefoxitin or carbapenem
| Characteristic | Cefoxitin n = 63 |
Carbapenem n = 47 |
p value |
|---|---|---|---|
| Selection of at least one cefoxitin-resistant gram-negative bacteria at 30 days | 30 (48) | 22 (47) | .933 |
| Klebsiella pneumoniae cefoxitin-resistant | 7 (11) | 4 (8) | .755 |
| Including colonization | 4 (6) | 1 (2) | |
| Including infection | 3 (5) | 3 (6) | |
| AmpC β-lactamase-producing Enterobacterales | 15 (24) | 2 (4) | .006 |
| Including colonization | 6 (9) | 0 (0) | |
| Including infection | 9 (14) | 2 (4) | |
| Pseudomonas aeruginosa | 13 (21) | 18 (38) | .042 |
| Including colonization | 3 (5) | 8 (17) | |
| Including infection | 10 (16) | 10 (21) | |
| Pseudomonas aeruginosa carbapenem-resistant | 3 (5) | 11 (23) | .007 |
| Including colonization | 2 (3) | 5 (11) | |
| Including infection | 1 (2) | 6 (13) | |
| Stenotrophomonas maltophilia | 0 (0) | 1 (2) | .427 |
| Acinetobacter baumannii | 2 (3) | 0 (0) | 1.00 |
Date are presented as count (%). P values in bold are statistically significant