Variable | Odds ratio (95% CI), P Value | |
---|---|---|
Before accounting for confounding by indicationa | After accounting for confounding by indication | |
Methicillin-sensitive S. aureus carrier | 0.5 (0.3, 1.0), 0.03 | 0.4 (0.2, 0.8), 0.01 |
Intubation | 4.7 (1.8, 12.3), 0.002 | 5.3 (2.0, 14.4), 0.001 |
Fluoroquinolone | 1.9 (1.2, 3.0), 0.01 | - |
Aminoglycoside | - | 0.3 (0.1, 0.7), 0.003 |
Days from ICU admission to negative swab | < .0001 | < .0001 |
1 | 1.0, reference | 1.0, reference |
2 | 2.0 (1.2, 3.3) | 2.2 (1.3, 3.7) |
≥ 3 | 15.6 (8.4, 29.0) | 19.6 (10.4, 37.1) |
Chronic liver disease | - | 4.1 (1.2, 13.6), 0.02 |