POPA (No) | POPA (Yes) | p value | |
---|---|---|---|
Patients | 1448 (96.5%) | 52 (3.5%) 95% CI: 2.7–4.5% | |
Adverse outcomes | |||
Mortality | 5 (0.4%) | 4 (7.7%) | 0.0004 |
Postoperative length of stay (days) | 2.3 ± 3.0 | 8.8 ± 6.7 | < 0.0001 |
Preoperative risk | |||
Age | 60 ± 17 | 64 ± 18 | 0.0012 |
Age ≥ 75 years | 230 (15.9%) | 18 (34.6%) | 0.0004 |
ASA classification | 2.8 ± 0.6 | 3.1 ± 0.6 | 0.0004 |
ASA classification 3 or 4 | 1084 (74.9%) | 46 (88.5%) | 0.0254 |
Emergency procedures | 113 (7.8%) | 10 (19.2%) | 0.0032 |
Preexisting lung disease | 210 (14.5%) | 12 (23.1%) | 0.0871 |
Weight (kg) | 86 ± 24 | 82 ± 24 | 0.1397 |
Intraoperative risk | |||
Operating room minutes | 126 ± 71 | 190 ± 114 | 0.0002 |
Glycopyrrolate on induction | 354 (24.5%) | 13 (25.0%) | 0.9274 |
Fluid input (L) | 1.6 ± 0.9 | 2.9 ± 2.4 | 0.0003 |