3.

多因素分析(Cox比例风险模型)

Multivariate analyses for survival(Cox proportional hazards model)

Factor	P	OR
VATS: video-assisted thoracoscopic surgery; WHO:World Health Organization. 注：本表得到版权所有者©2011-2016 Journal of Thoracic Disease复制许可。
Myasthenia gravis(No vs Yes)	0.307	0.617
WHO classification	0.001
B1+B2+B3 vs A+AB	0.006	17.064
C vs B1+B2+B3	0.001	31.283
Masaoka stage	0.005
Ⅱ vs Ⅰ	0.082	2.165
Ⅲ vs Ⅱ	0.002	3.421
Ⅳ vs Ⅲ	0.001	5.886
Adjuvant therapy(Yes vs No)	0.010	2.984
Surgical Approach(VATS vs Open)	0.374	1.956
Tumor Size(≤5 cm vs >5 cm)	0.721	1.124
Resection status(R1+R2 vs R0)	0.397	0.767