Clinical feature Statistical test Significant miRs Associated with                 Associated with DAYS_TO_DEATH_OR_LAST_FUP Cox regression test N=30 N=NA N=NA YEARS_TO_BIRTH Spearman correlation test N=0 PATHOLOGIC_STAGE Kruskal-Wallis test N=30 PATHOLOGY_T_STAGE Spearman correlation test N=30 higher stage N=11 lower stage N=19 PATHOLOGY_N_STAGE Wilcoxon test N=0 PATHOLOGY_M_STAGE Wilcoxon test N=0 GENDER Wilcoxon test N=1 male N=1 female N=0 RADIATION_THERAPY Wilcoxon test N=0 HISTOLOGICAL_TYPE Kruskal-Wallis test N=30 NUMBER_PACK_YEARS_SMOKED Spearman correlation test N=0 YEAR_OF_TOBACCO_SMOKING_ONSET Spearman correlation test N=0 RESIDUAL_TUMOR Kruskal-Wallis test N=1 NUMBER_OF_LYMPH_NODES Spearman correlation test N=0 RACE Kruskal-Wallis test N=2 ETHNICITY Wilcoxon test N=0