Clinical feature	Statistical test	Significant variables	Associated with	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;	Associated with	
DAYS_TO_DEATH_OR_LAST_FUP	Cox regression test	N=1	 	N=NA	 	N=NA
RADIATION_THERAPY	Wilcoxon test	N=0	 	 	 	 
HISTOLOGICAL_TYPE	Kruskal-Wallis test	N=2	 	 	 	 
RESIDUAL_TUMOR	Kruskal-Wallis test	N=1