Clinical feature	Statistical test	Significant genes	Associated with	               	Associated with	
DAYS_TO_DEATH_OR_LAST_FUP	Cox regression test	N=0	 	 	 	 
YEARS_TO_BIRTH	Spearman correlation test	N=30	older	N=16	younger	N=14
PATHOLOGIC_STAGE	Kruskal-Wallis test	N=30	 	 	 	 
PATHOLOGY_T_STAGE	Spearman correlation test	N=30	higher stage	N=14	lower stage	N=16
PATHOLOGY_N_STAGE	Wilcoxon test	N=30	n1	N=30	n0	N=0
PATHOLOGY_M_STAGE	Wilcoxon test	N=0	 	 	 	 
GENDER	Wilcoxon test	N=0	 	 	 	 
RADIATION_THERAPY	Wilcoxon test	N=21	yes	N=21	no	N=0
HISTOLOGICAL_TYPE	Kruskal-Wallis test	N=30	 	 	 	 
RADIATION_EXPOSURE	Wilcoxon test	N=0	 	 	 	 
EXTRATHYROIDAL_EXTENSION	Kruskal-Wallis test	N=30	 	 	 	 
RESIDUAL_TUMOR	Kruskal-Wallis test	N=0	 	 	 	 
NUMBER_OF_LYMPH_NODES	Spearman correlation test	N=30	higher number_of_lymph_nodes	N=19	lower number_of_lymph_nodes	N=11
MULTIFOCALITY	Wilcoxon test	N=10	unifocal	N=10	multifocal	N=0
TUMOR_SIZE	Spearman correlation test	N=2	higher tumor_size	N=0	lower tumor_size	N=2
RACE	Kruskal-Wallis test	N=3	 	 	 	 
ETHNICITY	Wilcoxon test	N=0