Variable | Elderly (≥60 years) | Non-elderly (< 60 years) | RR | 95% CI | P | ||||
---|---|---|---|---|---|---|---|---|---|
No. of cases | Ventilator/central line/urinary catheter days | Incidence density (per 1000 days) | No. of cases | Ventilator/central line/urinary catheter days | Incidence density (per 1000 days) | ||||
VAP | 57 | 15,379 | 3.7 | 76 | 9899 | 7.7 | 0.483 | 0.345–0.676 | 0.001 |
CLABSI | 90 | 39,372 | 2.3 | 75 | 32,561 | 2.3 | 0.992 | 0.730–1.348 | 0.959 |
CAUTI | 170 | 81,760 | 2.1 | 100 | 62,335 | 1.6 | 1.296 | 1.013–1.658 | 0.038 |