Clinical feature Statistical test Significant genes Associated with                 Associated with Time to Death Cox regression test N=1 shorter survival N=0 longer survival N=1 AGE Spearman correlation test N=21 older N=21 younger N=0 PRIMARY SITE OF DISEASE ANOVA test N=45 GENDER t test N=1 male N=0 female N=1 RADIATIONS RADIATION REGIMENINDICATION t test N=407 yes N=93 no N=314 DISTANT METASTASIS ANOVA test N=220 LYMPH NODE METASTASIS ANOVA test N=33 NEOPLASM DISEASESTAGE ANOVA test N=10