Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=0	 	 	 	 
AGE	Spearman correlation test	N=2	older	N=0	younger	N=2
GENDER	t test	N=0	 	 	 	 
KARNOFSKY PERFORMANCE SCORE	Spearman correlation test	N=0	 	 	 	 
HISTOLOGICAL TYPE	ANOVA test	N=4	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=0	 	 	 	 
NUMBERPACKYEARSSMOKED	Spearman correlation test	N=0	 	 	 	 
YEAROFTOBACCOSMOKINGONSET	Spearman correlation test	N=1	higher yearoftobaccosmokingonset	N=1	lower yearoftobaccosmokingonset	N=0
DISTANT METASTASIS	t test	N=0	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=5	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=2	 	 	 	 
NEOPLASM DISEASESTAGE	ANOVA test	N=1