2.

Cox多因素分析

Cox multivariate analysis

Category	PFS			OS
	HR (95%CI)	P		HR (95%CI)	P
Age (yr)	1.531 (0.680-3.444)	0.304		0.847 (0.287-2.497)	0.764
Gender	0.376 (0.103-1.310)	0.123		0.565 (0.186-1.713)	0.313
Smoking status	2.806 (0.738-9.665)	0.130		2.350 (0.989-5.871)	0.097
EGFR mutation	0.882 (0.134-5.810)	0.896		0.551 (0.059-5.122)	0.600
ALK rearrangement	0.941 (0.164-5.388)	0.946		0.889 (0.158-4.984)	0.893
Driver mutation	0.933 (0.136-6.404)	0.943		1.470 (0.167-12.92)	0.728
Brain metastases	0.208 (0.492-1.045)	0.052		0.673 (0.364-1.548)	0.250
Bone metastases	1.593 (0.775-3.274)	0.205		2.540 (0.916-7.042)	0.073
Cycles of bevacizumab	0.290 (0.124-0.678)	0.004		1.297 (0.480-3.504)	0.608
Platinum-based regimens	0.814 (0.389-1.701)	0.584		0.650 (0.272-1.549)	0.331