TABLE 4.
Comparison of antibiotic-specific resistance and factors associated with antibiotic resistance by region
| BC | West | Ontario | East | |
|---|---|---|---|---|
| Type of resistance | ||||
| Overall (%) | 55.0 (22/40) | 48.0 (12/25) | 33.3 (48/144) | 26.3* (5/19) |
| Ampicillin (%) | 47.5 (19/40) | 52.2 (12/23) | 29.6 (40/135) | 15.8* (3/19) |
| TMP-SMX (%) | 10.8 (4/37) | 23.8 (5/21) | 10.2 (14/137) | 0.0 (0/18) |
| Quinolone (%) | 0.0 (0/39) | 0.0 (0/23) | 2.3 (3/132) | 6.7 (1/15) |
| Factors related to resistance | ||||
| Prescribing rate (%) | 84.3 (59/70) | 93.9 (61/65) | 84.9 (203/239) | 91.1 (41/45) |
| Positive culture (%) | 65.1 (41/63) | 50.0 (28/56) | 63.3 (145/230) | 60.0 (21/34) |
| Patient age 65+ (%) | 20.3 (15/74) | 17.4 (12/69) | 16.9 (43/255) | 19.2 (9/47) |
| >2 previous UTI (/) | 55.7 (39/70) | 67.2 (43/64) | 63.5 (148/233) | 70.0 (30/42) |
| non-Escherichia coli (%) | 17.5 (7/40) | 21.4 (6/28) | 18.6 (27/145) | 19.1 (4/21) |
*
P<0.05, Fisher's exact test. BC British Columbia; TMP-SMX Trimethoprimsulfamethoxazole;
UTI Urinary tract infection