Table 5.
Antibiotic resistance of E. coli and K. pneumoniae strains producing ESBLs or showing resistance to carbapenems.
| Pathogen (n) | Ampicillin | Amoxicillin-clavulanate | Piperacillin-tazobactam | Cefotaxime | Ceftazidime | Ceftriaxone | Cefepime | Ertapenem | Imipenem | Meropenem | Amikacin | Gentamicin | Ciprofloxacin | Nitrofurantoin | Fosfomycin | Norfloxacin | TMP/SMX |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Resistant isolates (% of tested) | |||||||||||||||||
| E. coli ESBL (118) | 118 (100) | 59 (50.4) | 24 (20.3) | 114 (96.6) | 114 (96.6) | 114 (96.6) | 110 (93.2) | 0 | 0 | 0 | 2 (1.7) | 40 (54.2) | 87 (74.4) | 5 (8.1) | 2 (4.3) | 48 (77.4) | 87 (75.7) |
| K. pneumoniae ESBL (35) | 35 (100) | 22 (64.7) | 10 (28.6) | 35 (100) | 34 (97.1) | 35 (100) | 32 (91.4) | 0 | 0 | 0 | 0 | 15 (42.9) | 20 (57.1) | 11 (100) | 0 | 4 (36.4) | 26 (74.3) |
| E. coli CR (21) | 14 (100) | 13 (92.9) | 13 (92.9) | 14 (100) | 14 (100) | 14 (100) | 14 (100) | 13 (92,9) | 12 (85.7) | 13 (92.9) | 2 (14.3) | 8 (57.1) | 14 (100) | 3 (50) | 1 (20) | 6 (100) | 11 (78.6) |
| K. pneumoniae CR (14) | 21 (100) | 21 (100) | 21 (100) | 21 (100) | 21 (100) | 21 (100) | 19 (90.5) | 20 (95.2) | 20 (95.2) | 20 (95.2) | 15 (71.4) | 13 (61.9) | 19 (90.5) | 6 (85.7) | 5 (62.5) | 7 (87.5) | 16 (76.2) |