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=127	older	N=55	younger	N=72
GENDER	t test	N=39	male	N=16	female	N=23
HISTOLOGICAL TYPE	ANOVA test	N=4458	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=26	yes	N=18	no	N=8
RADIATIONEXPOSURE	t test	N=6	yes	N=2	no	N=4
DISTANT METASTASIS	ANOVA test	N=8	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=639	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=1295	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=1	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=673	higher number.of.lymph.nodes	N=377	lower number.of.lymph.nodes	N=296
NEOPLASM DISEASESTAGE	ANOVA test	N=263	 	 	 	 
MULTIFOCALITY	t test	N=1	unifocal	N=0	multifocal	N=1
TUMOR SIZE	Spearman correlation test	N=7	higher tumor.size	N=0	lower tumor.size	N=7
