1.

患者一般临床资料比较

Characteristics of patients

Index		Robotic-assisted thoracic surgery	Video-assisted thoracic surgery	t	P
n		81	85
Gender	Male	38	36
	Female	43	49
Age, yr, median (range)		59.01 (33-78)	59.14 (28-75)	0.866	0.300
Benign		4	7
Metastasis tumor		2	2
Non-small cell lung cancer	Ia1	40	43
	Ia2	31	26
	Ia3	3	5
	Ib	1	2