Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=1	shorter survival	N=0	longer survival	N=1
AGE	Spearman correlation test	N=0	 	 	 	 
GENDER	t test	N=0	 	 	 	 
KARNOFSKY PERFORMANCE SCORE	Spearman correlation test	N=0	 	 	 	 
HISTOLOGICAL TYPE	ANOVA test	N=0	 	 	 	 
PATHOLOGY T	Spearman correlation test	N=0	 	 	 	 
PATHOLOGY N	Spearman correlation test	N=0	 	 	 	 
PATHOLOGICSPREAD(M)	ANOVA test	N=0	 	 	 	 
TUMOR STAGE	Spearman correlation test	N=0	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=0	 	 	 	 
NUMBERPACKYEARSSMOKED	Spearman correlation test	N=0	 	 	 	 
STOPPEDSMOKINGYEAR	Spearman correlation test	N=0	 	 	 	 
TOBACCOSMOKINGHISTORYINDICATOR	ANOVA test	N=2	 	 	 	 
YEAROFTOBACCOSMOKINGONSET	Spearman correlation test	N=0