Table 1.
Antibiotic susceptibility of E. coli according to previous antibiotic use, age, and region
| Amoxicillin | Co-amoxiclav | Trimethoprim | Co-trimoxazole* | Ciprofloxacin** | Nitrofurantoin*** | Fosfomycin*** | |
|---|---|---|---|---|---|---|---|
| Antibiotic use in the last 3 months susceptibility in number and (percentage) | |||||||
| Yes (N = 144) | 87 (60%) | 131 (91%) | 108 (75%) | 111 (77%) | 129 (90%) | 142 (99%) | 142 (99%) |
| No (N = 282) | 196 (70%) | 261 (93%) | 228 (81%) | 235 (83%) | 273 (97%) | 281 (100%) | 282 (100%) |
| Total (N = 426)i | 283 (66%) | 392 (92%) | 336 (79%) | 346 (81%) | 402 (94%) | 423 (99%) | 424 (100%) |
| Age | |||||||
| 11–20 (N = 28) | 19 (68%) | 25 (89%) | 22 (79%) | 23 (82%) | 26 (93%) | 28 (100%) | 28 (100%) |
| 21–50 (N = 136) | 88 (65%) | 129 (95%) | 107 (79%) | 112 (82%) | 131 (96%) | 136 (100%) | 136 (100%) |
| 51–70 (N = 155) | 107 (69%) | 143 (92%) | 125 (81%) | 127 (82%) | 151 (97%) | 153 (99%) | 154 (99%) |
| > 70 (N = 126) | 79 (63%) | 110 (87%) | 99 (79%) | 101 (80%) | 111 (88%) | 125 (99%) | 125 (99%) |
| Total (N = 445) | 293 (66%) | 407 (91%) | 353 (79%) | 363 (82%) | 419 (94%) | 442 (99%) | 443 (100%) |
| Region | |||||||
| North (N = 82) | 53 (65%) | 73 (89%) | 59 (72%) | 59 (72%) | 72 (88%) | 81 (99%) | 82 (100%) |
| East (N = 71) | 50 (70%) | 64 (90%) | 55 (77%) | 56 (79%) | 64 (90%) | 70 (99%) | 71 (100%) |
| West (N = 184) | 125 (68%) | 169 (92%) | 153 (83%) | 161 (88%) | 178 (97%) | 184 (100%) | 182 (99%) |
| South (N = 108) | 65 (60%) | 101 (94%) | 86 (80%) | 87 (81%) | 105 (97%) | 107 (99%) | 108 (100%) |
| Total (N = 445) | 293 (66%) | 407 (91%) | 353 (79%) | 363 (82%) | 419 (94%) | 442 (99%) | 443 (100%) |
iIn the case of antibiotic use in the last 3 months, 19 cases were unknown
*Association between susceptibility and region (P = 0.021)
**Associations between susceptibility and both previous antibiotic use (P = 0.002) and age (P = 0.005). For region, testing is inappropriate due to small numbers
***Testing is inappropriate due to small numbers