Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=6	shorter survival	N=4	longer survival	N=2
AGE	Spearman correlation test	N=197	older	N=181	younger	N=16
GENDER	t test	N=193	male	N=50	female	N=143
HISTOLOGICAL TYPE	ANOVA test	N=448	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=204	yes	N=164	no	N=40
DISTANT METASTASIS	ANOVA test	N=21	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=76	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=1	higher number.of.lymph.nodes	N=1	lower number.of.lymph.nodes	N=0
NEOPLASM DISEASESTAGE	ANOVA test	N=40