表 4. Multivariate analysis of postoperative complications(n =165) .

术后并发症的多因素分析（n=165）

Characteristic	B	SE	Wald	OR	P	95% CI
B: Partial regression coefficient; SE: Standard error; CI: Confidence interval; OR: Odds ratio.
Smoking history	0.90	0.32	7.90	1.37	<0.001	1.07-10.74
Lymph node calcification	3.12	0.67	21.42	2.36	<0.001	1.76-27.76
Pulmonary ventilation dysfunction	1.34	0.36	13.85	5.21	<0.001	2.22-30.67