Clinical feature Statistical test Significant genes Associated with                 Associated with DAYS_TO_DEATH_OR_LAST_FUP Cox regression test N=3 N=NA N=NA YEARS_TO_BIRTH Spearman correlation test N=30 older N=11 younger N=19 PATHOLOGIC_STAGE Kruskal-Wallis test N=30 PATHOLOGY_T_STAGE Spearman correlation test N=30 higher stage N=23 lower stage N=7 PATHOLOGY_N_STAGE Spearman correlation test N=30 higher stage N=23 lower stage N=7 PATHOLOGY_M_STAGE Wilcoxon test N=0 GENDER Wilcoxon test N=2 male N=2 female N=0 RADIATION_THERAPY Wilcoxon test N=30 yes N=30 no N=0 KARNOFSKY_PERFORMANCE_SCORE Spearman correlation test N=30 higher score N=25 lower score N=5 HISTOLOGICAL_TYPE Wilcoxon test N=30 esophagus squamous cell carcinoma N=30 esophagus adenocarcinoma, nos N=0 NUMBER_PACK_YEARS_SMOKED Spearman correlation test N=30 higher number_pack_years_smoked N=10 lower number_pack_years_smoked N=20 RESIDUAL_TUMOR Kruskal-Wallis test N=0 NUMBER_OF_LYMPH_NODES Spearman correlation test N=0 RACE Kruskal-Wallis test N=30 ETHNICITY Wilcoxon test N=0