2.

两组患者手术及术后临床资料

Comparison of operative and post-operative clinical data between uniportal-VATS and 3P-VATS group

Item	Uniportal-VATS (n=115)	3P-VATS (n=101)	P
Operation time (min)	157.62±19.50	116.00±17.32	< 0.001
Blood loss (mL)	77.74±64.26	81.15±46.76	0.660
Operation method
Single lobectomy	108 (93.9%)	92 (91.1%)	0.429
Bilobectomy	6 (5.2%)	7 (6.9%)	0.597
pneumonectomy	1 (0.9%)	2 (2.0%)	0.910
Number of lymph nodes	19.65±2.84	20.33±2.99	0.091
Chest tube duration (d)	4.37±1.65	5.54±1.57	0.020
Postoperative hospital stay (d)	9.87±1.25	10.43±1.43	0.004
Complication
Lung infection	7 (6.1%)	8 (7.9%)	0.597
Prolonged air leaking > 5 d	3 (2.6%)	5 (5.0%)	0.584
Atelectasis	2 (1.7%)	3 (3.0%)	0.883
Arhythmia	14 (12.2%)	16 (15.8%)	0.437
Subcutaneous emphysema	4 (3.5%)	4 (4.0%)	0.862