Table 6.

Binary logistic regression analysis of CAP.

	b	SE	Wald	OR	95% CI	P
Length of anesthesia	0.023	0.008	8.697	1.024	1.008-1.039	0.012*
Vagus nerve lung branch injury	0.926	0.519	3.185	2.525	1.293-6.983	0.044*
Surgical side (right lung)	1.011	0.477	4.483	2.747	1.078-7.002	0.034*
Surgical side lobe (upper lobe)	-0.787	0.478	2.707	0.455	0.178-0.978	0.038*
Constant	-7.102	2.285	9.661	0.001		0.000*

OR, odds ratio; CI, confidence interval.

^*Statistically significant (p < 0.05).