Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=0	 	 	 	 
AGE	Spearman correlation test	N=271	older	N=270	younger	N=1
GENDER	t test	N=13	male	N=7	female	N=6
HISTOLOGICAL TYPE	ANOVA test	N=1726	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=42	yes	N=22	no	N=20
RADIATIONEXPOSURE	t test	N=41	yes	N=22	no	N=19
DISTANT METASTASIS	ANOVA test	N=22	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=221	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=603	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=8	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=712	higher number.of.lymph.nodes	N=18	lower number.of.lymph.nodes	N=694
NEOPLASM DISEASESTAGE	ANOVA test	N=177	 	 	 	 
MULTIFOCALITY	t test	N=0	 	 	 	 
TUMOR SIZE	Spearman correlation test	N=1	higher tumor.size	N=1	lower tumor.size	N=0