Analysis of risk factors for hypoxemia in PACU for patients undergoing thoracoscopic lung cancer resection based on logistic regression model

Table 3 Multivariate analysis of hypoxemia in PACU after thoracoscopic lung surgery

Variables	β value	Standard Error	Wald χ²value	P value	OR value	95% CI
Age	0.036	0.011	11.017	0.001	1.037	1.015 ~ 1.059
BMI	0.124	0.042	8.510	0.004	1.132	1.041 ~ 1.230
SPO₂ upon entering OR	-0.125	0.061	4.298	0.038	0.882	0.783 ~ 0.993
Immediate pain upon extubation	0.320	0.108	8.829	0.003	1.377	1.115 ~ 1.700
Preoperative SpO₂	-0.107	0.062	3.033	0.082	0.898	0.796 ~ 1.014
FEV1/FVC	-0.030	0.017	2.96	0.085	0.971	0.939 ~ 1.004
Duration of PACU stay	0.037	0.006	33.98	0.001	1.036	1.022 ~ 1.049
Constants	6.600	6.489	1.035	0.309	-	-

Note: “-” has no clinical significance and is included solely for model construction

ISSN: 1471-2253