[Retracted] Evaluation of Critical Factors of Postoperative Arrhythmia and Preventive Measures of Deep Venous Thrombosis

Table 2

Logistic regression of risk factors for a postoperative lung infection.

Risk factors	Regression coefficients	Standard error	OR	95% CI	value
Age	0.185	0.094	1.189	1.049, 1.653	0.027
Diabetes before surgery	0.822	0.326	2.022	1.157, 3.629	0.018
COPD before surgery	1.363	0.317	3.394	2.018, 6.671
The hospital stay	0.784	0.239	2.176	1.351, 3.438	0.001
FEV1	−5.176	1.983	0.398	4.325, 15.082	0.002