Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=2	shorter survival	N=1	longer survival	N=1
AGE	Spearman correlation test	N=6	older	N=3	younger	N=3
NEOPLASM DISEASESTAGE	ANOVA test	N=38	 	 	 	 
PATHOLOGY T STAGE	Spearman correlation test	N=15	higher stage	N=4	lower stage	N=11
PATHOLOGY N STAGE	t test	N=59	class1	N=29	class0	N=30
PATHOLOGY M STAGE	ANOVA test	N=5	 	 	 	 
GENDER	t test	N=2	male	N=0	female	N=2
HISTOLOGICAL TYPE	ANOVA test	N=172	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=10	yes	N=7	no	N=3
RADIATIONEXPOSURE	t test	N=0	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=71	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=0	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=56	higher number.of.lymph.nodes	N=35	lower number.of.lymph.nodes	N=21
MULTIFOCALITY	t test	N=1	unifocal	N=0	multifocal	N=1
TUMOR SIZE	Spearman correlation test	N=3	higher tumor.size	N=1	lower tumor.size	N=2