Table 2.
Resistance Rate of Escherichia coli to Antibiotics
| Antibacterial Drugs | 2018 n (R)% | 2019 n (R)% | 2020 n (R)% | 2018–2020 n (R)% |
|---|---|---|---|---|
| n = 144 | n = 156 | n = 219 | n = 519 | |
| Piperacillin/tazobactam | 5 (3.4) | 11 (7.0) | 22 (10.0)a | 38 (7.3) |
| Ceftazidime | 48 (33.9) | 45 (28.9) | 67 (30.5) | 160 (30.8) |
| Cefepime | 32 (22.1) | 30 (19.3) | 52 (23.6) | 114 (22.0) |
| Imipenem | 3 (1.9) | 3 (1.8) | 12 (5.4) | 18 (3.5) |
| Bactrim | 61 (42.3) | 59 (38.0) | 91 (41.5) | 211 (40.7) |
| Ciprofloxacin | 89 (61.8) | 90 (58.0) | 160 (72.9)a,b | 339 (65.3) |
| Gentamicin | 52 (36.1) | 57 (36.7) | 77 (35.1) | 186 (35.8) |
| Tobramycin | 25 (17.3) | 22 (14.1) | 39 (17.8) | 86 (16.6) |
| Ampicillin/Sulbactam | 62 (43.0) | 70 (45.1) | 118 (53.8)a | 250 (48.2) |
| Levofloxacin | 86 (59.7) | 88 (56.7) | 144 (65.7) | 318 (61.3) |
| Nitrofurantoin | 8 (5.3) | 6 (3.7) | 11 (4.8) | 25 (4.8) |
| Ampicillin | 110 (76.4) | 112 (72.2) | 172 (78.5) | 394 (75.9) |
| Amikacin | 7 (4.8) | 4 (2.5) | 5 (2.2) | 16 (3.1) |
| Ceftriaxone | 87 (60.5) | 83 (53.6) | 116 (53.1) | 286 (55.1) |
| Cefotetan | 5 (3.4) | 7 (4.5) | 15 (6.8) | 27 (5.2) |
| Ertapenem | 7 (4.8) | 12 (7.7) | 20 (9.1) | 39 (7.5) |
Notes: n, number of strains; R, drug resistance rate; aCompared with the drug resistance rate in 2018, P < 0.05; bCompared with the drug resistance rate in 2019, P < 0.05.