4.

各亚组生存率的比较

Comparison of survival rates among the different adjuvant therapy subgroups

Log-rank	Surgery alone			Postoperative chemotherapy alone			Postoperative radiotherapy alone			Postoperative chemoradiotherapy
	Chi-square	Sig.		Chi-square	Sig.		Chi-square	Sig.		Chi-square	Sig.
注：本表得到版权所有者©2011-2016 Journal of Thoracic Disease复制许可。
Surgery alone				13.544	<0.001		0.003	0.955		1.805	0.179
Postoperative chemotherapy alone	13.544	<0.001					19.483	<0.001		8.604	0.003
Postoperative radiotherapy alone	0.003	0.955		19.483	<0.001					3.508	0.061
Postoperative hemoradiotherapy	1.805	0.179		8.604	0.003		3.508	0.061