4.

术前合并症发生率及肺功能[n(%)]

The morbidity of preoperative complications and lung function [n(%)]

	SP VATS-L (n=372)		P	SP VATS-S (n=45)		P	SP VATS-E (n=139)		P
	E (n=124)	NE (n=248)		E (n=15)	NE (n=30)		L (n=67)	S (n=15)
SP VATS-L: the group of lobectomy in single-port video-assisted thoracoscopic surgery; SP VATS-S: the group of segmentectomy in single-port video-assisted thoracoscopic surgery; SP VATS-E: the elderly group of single-port video-assisted thoracoscopic surgery; E-the elderly group; NE: the nonelderly group; L: the lobectomy group; S: the segmentectomy group; FEV1%: FEV1/FVC; FEV1: forced expiratory volume in one second; FVC: forced vital capacity.
Preoperative complications	71 (57.26)	83 (33.48)	0.00	9 (60.00)	5 (16.67)	0.00	37 (55.22)	9 (60.00)	0.74
Lung complications	12 (9.68)	16 (6.45)	0.27	2 (13.33)	2 (6.67)	0.50	7 (10.45)	2 (13.33)	0.75
Hypertension	53 (42.74)	38 (15.32)	0.00	8 (53.33)	1 (3.33)	0.00	26 (38.81)	8 (53.33)	0.30
Diabetes	16 (12.90)	16 (6.45)	0.04	4 (26.67)	1 (3.33)	0.02	12 (17.91)	4 (26.67)	0.44
Heart complication	14 (11.29)	19 (7.66)	0.25	3 (20.00)	1 (3.33)	0.06	12 (17.91)	3 (20.00)	0.85
FEV1%	88.67±1.26	89.41±0.82	0.61	85.51±2.44	89.93±1.91	0.18	89.83±1.44	85.51±2.45	0.19