3.

两组患者术后相关资料比较

The postoperative clinical data between the two groups

Variations	Robot-assisted thoracic surgery (n=81)	Video-assisted thoracic surgery (n=85)	t	P
Diameter	1.35±0.76	1.54±0.84	-1.550	0.094
Blood lost (mL)	53.46±30.01	46.00±47.44	1.200	0.230
Operating time (min)	126.46±25.02	122.2±20.32	1.334	0.184
Lymph nodes harvested	13.07±5.08	10.81±5.74	2.060	0.010
Duration of chest driange (d)	2.79±1.7	2.66±1.47	0.583	0.561
Pro-longed air leak	3.7% (3/81)	3.5% (3/85)	1.000	0.952
Atrial fibrillation	2.47% (2/81)	3.5% (3/85)	1.000	1.000
Post-operative hospital stay (d)	5.05±1.91	5.17±1.60	-0.480	0.632