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=3 older N=0 younger N=3 PATHOLOGIC_STAGE Kruskal-Wallis test N=1 PATHOLOGY_T_STAGE Spearman correlation test N=30 higher stage N=4 lower stage N=26 PATHOLOGY_N_STAGE Spearman correlation test N=23 higher stage N=13 lower stage N=10 PATHOLOGY_M_STAGE Wilcoxon test N=0 GENDER Wilcoxon test N=30 male N=30 female N=0 RADIATION_THERAPY Wilcoxon test N=30 yes N=30 no N=0 HISTOLOGICAL_TYPE Kruskal-Wallis test N=30 NUMBER_PACK_YEARS_SMOKED Spearman correlation test N=30 higher number_pack_years_smoked N=27 lower number_pack_years_smoked N=3 YEAR_OF_TOBACCO_SMOKING_ONSET Spearman correlation test N=30 higher year_of_tobacco_smoking_onset N=21 lower year_of_tobacco_smoking_onset N=9 NUMBER_OF_LYMPH_NODES Spearman correlation test N=30 higher number_of_lymph_nodes N=25 lower number_of_lymph_nodes N=5 RACE Kruskal-Wallis test N=16 ETHNICITY Wilcoxon test N=0