Table 4.

Independent Factors for Postoperative Pulmonary Infection Based on Logistic Regression Analysis

	OR (95% CI)	P value
Operation route through transcervical and transhiatal	7.801(1.13–53.731)	<0.001
Operation time	1.002(0.981–1.024)	0.83
Perioperative bleeding	1.004(0.972–1.037)	0.81
Left para-RLN	2.154(0.87–5.33)	0.10
Right para-RLN	1.071(0.439–2.614)	0.88

Abbreviations: OR, odds ratio; CI, confidence interval; RLN, recurrent laryngeal nerve.