Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
AGE	Spearman correlation test	N=64	older	N=36	younger	N=28
GENDER	t test	N=34	male	N=13	female	N=21
HISTOLOGICAL TYPE	ANOVA test	N=5329	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	t test	N=36	yes	N=19	no	N=17
RADIATIONEXPOSURE	t test	N=14	yes	N=2	no	N=12
DISTANT METASTASIS	ANOVA test	N=19	 	 	 	 
EXTRATHYROIDAL EXTENSION	ANOVA test	N=93	 	 	 	 
LYMPH NODE METASTASIS	ANOVA test	N=458	 	 	 	 
COMPLETENESS OF RESECTION	ANOVA test	N=4	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=468	higher number.of.lymph.nodes	N=230	lower number.of.lymph.nodes	N=238
NEOPLASM DISEASESTAGE	ANOVA test	N=74	 	 	 	 
MULTIFOCALITY	t test	N=2	unifocal	N=0	multifocal	N=2
TUMOR SIZE	Spearman correlation test	N=1	higher tumor.size	N=0	lower tumor.size	N=1