Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
AGE	Spearman correlation test	N=3	older	N=3	younger	N=0
GENDER	t test	N=1	male	N=0	female	N=1
HISTOLOGICAL TYPE	ANOVA test	N=170	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=10	yes	N=8	no	N=2
RADIATIONEXPOSURE	t test	N=0	 	 	 	 
DISTANT METASTASIS	ANOVA test	N=1	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=13	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=18	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=0	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=19	higher number.of.lymph.nodes	N=12	lower number.of.lymph.nodes	N=7
NEOPLASM DISEASESTAGE	ANOVA test	N=6	 	 	 	 
MULTIFOCALITY	t test	N=0	 	 	 	 
TUMOR SIZE	Spearman correlation test	N=7	higher tumor.size	N=3	lower tumor.size	N=4