Clinical feature Statistical test Significant variables Associated with                 Associated with DAYS_TO_DEATH_OR_LAST_FUP Cox regression test N=1 N=NA N=NA AGE Spearman correlation test N=2 older N=2 younger N=0 AGE_mutation rate Linear Regression Analysis N=2 TUMOR_TISSUE_SITE Wilcoxon test N=0 GENDER Wilcoxon test N=0 RADIATION_THERAPY Wilcoxon test N=0 HISTOLOGICAL_TYPE Kruskal-Wallis test N=2 RACE Kruskal-Wallis test N=0 ETHNICITY Wilcoxon test N=0