Table 1. Characteristics of patients and catheter-associated urinary tract infection incidence rate.
| Standard catheter (n = 15 627) |
Antimicrobial catheter (n = 11 921) |
|||
| number of subjects or mean | % or SD | number of subjects or mean | % or SD | |
| Patient factor | ||||
| Sex, female | 8,223 | 52 | 6,257 | 52 |
| Age, years, mean (SD) | 76 | (12) | 76 | (12) |
| Comorbidity | ||||
| Cancer, yes | 957 | 6.1 | 779 | 6.5 |
| Diabetes | ||||
| Without diabetes | 12,003 | 77 | 9,204 | 77 |
| With diabetes, not on insulin | 1,673 | 11 | 1,186 | 10 |
| With diabetes, on insulin | 1,951 | 12 | 1,531 | 13 |
| Length of stay, days, mean (SD) | 41 | (45) | 41 | (41) |
| ADL | ||||
| Very good | 1,621 | 10 | 1,318 | 11 |
| Good | 657 | 4.2 | 532 | 4.5 |
| Poor | 1,559 | 10 | 1,203 | 10 |
| Very poor | 11,790 | 75 | 8,868 | 74 |
| Had surgery | 2,549 | 16 | 2,369 | 20 |
| Had tPA | 2,768 | 18 | 1,941 | 16 |
| Hospital factor | ||||
| Number of cases during study period | ||||
| 1–14 | 647 | 4.1 | 459 | 3.9 |
| 15–49 | 3,454 | 22 | 2,353 | 20 |
| ≥50 | 11,526 | 74 | 9,109 | 76 |
| CAUTI, yes | 1,378 | 8.8 | 994 | 8.3 |
| CAUTI, per 1000 patient days | 2.2 | 2.1 | ||
CAUTI, catheter-associated urinary tract infection; ADL, activities of daily living; tPA, tissue plasminogen activator; SD, standard deviation.