表 3. Univariate analysis of postoperative complications.

术后并发症的单因素分析

Characteristic	Postoperative complications		P
	No (n=138)	Yes (n=27)
Gender/case			0.670
Male	95	17
Fmale	43	10
Age/case			0.030
≤60 yr.	88	12
>60 yr.	50	15
BMI/case			0.550
≥21.2 kg/m2	71	12
<21.2 kg/m 2	67	15
Smoking history/case			0.020
Yes	64	19
No	74	8
Pneumoconiosis/case			0.020
Yes	10	11
No	128	16
Tumor stage/case			0.650
Ⅱ/Ⅲ	88	18
Ⅰ	50	9
Pulmonary ventilation dysfunction/case			0.010
Yes	37	19
No	101	8
Surgical method replacement/case			0.160
Yes	18	8
No	120	19
Lymph-nodes calcified/case			<0.010
Yes	21	18
No	117	9
Dense pleural adhesion/case			<0.050
Yes	13	6
No	125	21
Intraoperative blood loss volume/mL, median (P25, P75)	100 (50, 100)	200 (90, 450)	0.015