Table 4.
Risk Factors for E. coli Resistance to SMX-TMP.
| Category | SMX-TMP resistant (n=61) |
SMX-TMP susceptible (n=161) |
p-value |
|---|---|---|---|
| Sex, Male | 11 (18.0%) | 30 (18.6%) | 0.928 |
| Race | 0.526 | ||
| White | 49 (80.3%) | 121 (75.2%) | |
| African-American | 5 (8.2%) | 25 (15.5%) | |
| Other | 7 (11.5%) | 15 (9.3%) | |
| Diabetes mellitus | 13 (21.3%) | 28 (17.4%) | 0.633 |
| Hypertension | 18 (29.5%) | 52 (32.3%) | 0.812 |
| Chronic respiratory disease | 12 (19.7%) | 20 (12.4%) | 0.247 |
| Benign prostatic hypertrophy (BPH) | 3 (4.9%) | 6 (3.7%) | 0.984 |
| Nursing home resident | 5 (8.2%) | 4 (2.5%) | 0.122 |
| Antibiotic use within 90 days | 32 (52.5%) | 58 (36.0%) | 0.038 |
| Previous UTI within 90 days | 29 (47.5%) | 46 (28.6%) | 0.012 |
| Renal or genito-urinary abnormality | 25 (41%) | 67 (41.6%) | 0.946 |
| Immunosuppression | 8 (13.1%) | 19 (11.8%) | 0.970 |
| Home use of antibiotics | 4 (6.6%) | 9 (5.6%) | 0.963 |
| Surgical procedures within 30 days | 7 (11.5%) | 19 (11.8%) | 0.868 |