Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=1	shorter survival	N=1	longer survival	N=0
AGE	Spearman correlation test	N=0	 	 	 	 
GENDER	t test	N=2	male	N=0	female	N=2
KARNOFSKY PERFORMANCE SCORE	Spearman correlation test	N=0	 	 	 	 
HISTOLOGICAL TYPE	ANOVA test	N=136	 	 	 	 
PATHOLOGY T	Spearman correlation test	N=0	 	 	 	 
PATHOLOGY N	Spearman correlation test	N=0	 	 	 	 
PATHOLOGICSPREAD(M)	ANOVA test	N=17	 	 	 	 
TUMOR STAGE	Spearman correlation test	N=0	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=43	yes	N=42	no	N=1
NUMBERPACKYEARSSMOKED	Spearman correlation test	N=0	 	 	 	 
STOPPEDSMOKINGYEAR	Spearman correlation test	N=0	 	 	 	 
TOBACCOSMOKINGHISTORYINDICATOR	ANOVA test	N=13	 	 	 	 
YEAROFTOBACCOSMOKINGONSET	Spearman correlation test	N=0