Table 3 Postoperative hypoxemia (POH) associations
POH (No) | POH (Yes) | p value | |
|---|---|---|---|
Patients | 1191 (79.4%) | 309 (20.6%) | |
Adverse outcomes | |||
Mortality | 2 (0.2%) | 7 (2.3%) | 0.0004 |
Postoperative length of stay (days) | 2.0 ± 2.6 | 4.6 ± 4.8 | < 0.0001 |
Preoperative risk | |||
Age | 55 ± 18 | 63 ± 15 | < 0.0001 |
ASA classification | 2.8 ± 0.6 | 3.1 ± 0.5 | < 0.0001 |
ASA classification 3 or 4 | 857 (72.0%) | 273 (88.4%) | < 0.0001 |
Emergency procedures | 88 (7.4%) | 35 (11.3%) | 0.0246 |
Preexisting lung disease | 160 (13.4%) | 62 (20.1%) | 0.0034 |
Weight (kg) | 86 ± 24 | 89 ± 23 | 0.0489 |
Intraoperative risk | |||
Operating room minutes | 122 ± 68 | 154 ± 90 | < 0.0001 |
Glycopyrrolate on induction | 303 (25.4%) | 64 (20.7%) | 0.0849 |
Fluid input (L) | 1.5 ± 0.9 | 2.0 ± 1.5 | < 0.0001 |