Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
Time to Death	Cox regression test	N=0	 	 	 	 
AGE	Spearman correlation test	N=196	older	N=91	younger	N=105
NEOPLASM DISEASESTAGE	Kruskal-Wallis test	N=516	 	 	 	 
PATHOLOGY T STAGE	Spearman correlation test	N=774	higher stage	N=167	lower stage	N=607
PATHOLOGY N STAGE	Wilcoxon test	N=2897	class1	N=2897	class0	N=0
PATHOLOGY M STAGE	Kruskal-Wallis test	N=24	 	 	 	 
GENDER	Wilcoxon test	N=12	male	N=12	female	N=0
HISTOLOGICAL TYPE	Kruskal-Wallis test	N=6223	 	 	 	 
RADIATIONS RADIATION REGIMENINDICATION	Wilcoxon test	N=30	yes	N=30	no	N=0
RADIATIONEXPOSURE	Wilcoxon test	N=0	 	 	 	 
EXTRATHYROIDAL EXTENSION	Kruskal-Wallis test	N=1474	 	 	 	 
COMPLETENESS OF RESECTION	Kruskal-Wallis test	N=5	 	 	 	 
NUMBER OF LYMPH NODES	Spearman correlation test	N=1675	higher number.of.lymph.nodes	N=897	lower number.of.lymph.nodes	N=778
MULTIFOCALITY	Wilcoxon test	N=2	unifocal	N=2	multifocal	N=0
TUMOR SIZE	Spearman correlation test	N=24	higher tumor.size	N=3	lower tumor.size	N=21
RACE	Kruskal-Wallis test	N=44	 	 	 	 
ETHNICITY	Wilcoxon test	N=13	not hispanic or latino	N=13	hispanic or latino	N=0