Clinical feature	Statistical test	Significant variables	Associated with	               	Associated with	
DAYS_TO_DEATH_OR_LAST_FUP	Cox regression test	N=2	 	N=NA	 	N=NA
AGE	Spearman correlation test	N=2	older	N=2	younger	N=0
AGE_mutation rate	Linear Regression Analysis	N=0	 	 	 	 
TUMOR_TISSUE_SITE	Wilcoxon test	N=2	central nervous system	N=2	brain	N=0
GENDER	Wilcoxon test	N=2	male	N=2	female	N=0
RADIATION_THERAPY	Wilcoxon test	N=2	yes	N=2	no	N=0
KARNOFSKY_PERFORMANCE_SCORE	Spearman correlation test	N=2	higher score	N=0	lower score	N=2
HISTOLOGICAL_TYPE	Kruskal-Wallis test	N=2	 	 	 	 
RACE	Kruskal-Wallis test	N=0	 	 	 	 
ETHNICITY	Wilcoxon test	N=0