Clinical feature Statistical test Significant miRs Associated with                 Associated with DAYS_TO_DEATH_OR_LAST_FUP Cox regression test N=1 N=NA N=NA YEARS_TO_BIRTH Spearman correlation test N=30 older N=24 younger N=6 PATHOLOGIC_STAGE Kruskal-Wallis test N=30 PATHOLOGY_T_STAGE Spearman correlation test N=30 higher stage N=9 lower stage N=21 PATHOLOGY_N_STAGE Spearman correlation test N=30 higher stage N=3 lower stage N=27 PATHOLOGY_M_STAGE Wilcoxon test N=19 class1 N=19 class0 N=0 GENDER Wilcoxon test N=1 male N=1 female N=0 RADIATION_THERAPY Wilcoxon test N=30 yes N=30 no N=0 HISTOLOGICAL_TYPE Kruskal-Wallis test N=30 RESIDUAL_TUMOR Kruskal-Wallis test N=30 NUMBER_OF_LYMPH_NODES Spearman correlation test N=30 higher number_of_lymph_nodes N=10 lower number_of_lymph_nodes N=20 RACE Kruskal-Wallis test N=30 ETHNICITY Wilcoxon test N=0