Clinical feature	Statistical test	Significant genes	Associated with	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;	Associated with	
AGE	Spearman correlation test	N=4	older	N=4	younger	N=0
GENDER	t test	N=1	male	N=0	female	N=1
HISTOLOGICAL TYPE	ANOVA test	N=179	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=11	yes	N=8	no	N=3
RADIATIONEXPOSURE	t test	N=0	 	 	 	 
DISTANT METASTASIS	ANOVA test	N=2	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=11	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=24	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=0	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=22	higher number.of.lymph.nodes	N=12	lower number.of.lymph.nodes	N=10
NEOPLASM DISEASESTAGE	ANOVA test	N=8	 	 	 	 
MULTIFOCALITY	t test	N=1	unifocal	N=0	multifocal	N=1
TUMOR SIZE	Spearman correlation test	N=8	higher tumor.size	N=3	lower tumor.size	N=5
