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	
Time to Death	Cox regression test	N=0	 	 	 	 
AGE	Spearman correlation test	N=302	older	N=299	younger	N=3
GENDER	t test	N=26	male	N=15	female	N=11
HISTOLOGICAL TYPE	ANOVA test	N=1850	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=39	yes	N=21	no	N=18
RADIATIONEXPOSURE	t test	N=49	yes	N=24	no	N=25
DISTANT METASTASIS	ANOVA test	N=28	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=208	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=670	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=10	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=610	higher number.of.lymph.nodes	N=13	lower number.of.lymph.nodes	N=597
NEOPLASM DISEASESTAGE	ANOVA test	N=174	 	 	 	 
MULTIFOCALITY	t test	N=0	 	 	 	 
TUMOR SIZE	Spearman correlation test	N=1	higher tumor.size	N=1	lower tumor.size	N=0
