Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=0	 	 	 	 
AGE	Spearman correlation test	N=7	older	N=6	younger	N=1
GENDER	t test	N=1	male	N=0	female	N=1
HISTOLOGICAL TYPE	ANOVA test	N=3	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=6	yes	N=4	no	N=2
RADIATIONEXPOSURE	t test	N=1	yes	N=1	no	N=0
DISTANT METASTASIS	ANOVA test	N=1	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=1	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=0	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=0	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=1	higher number.of.lymph.nodes	N=0	lower number.of.lymph.nodes	N=1
NEOPLASM DISEASESTAGE	ANOVA test	N=4	 	 	 	 
MULTIFOCALITY	t test	N=1	unifocal	N=0	multifocal	N=1
TUMOR SIZE	Spearman correlation test	N=2	higher tumor.size	N=0	lower tumor.size	N=2