Clinical feature Statistical test Significant miRs Associated with                 Associated with Time to Death Cox regression test N=5 shorter survival N=3 longer survival N=2 AGE Spearman correlation test N=5 older N=3 younger N=2 NEOPLASM DISEASESTAGE ANOVA test N=46 PATHOLOGY T STAGE Spearman correlation test N=16 higher stage N=4 lower stage N=12 PATHOLOGY N STAGE t test N=75 class1 N=41 class0 N=34 PATHOLOGY M STAGE ANOVA test N=3 GENDER t test N=2 male N=0 female N=2 HISTOLOGICAL TYPE ANOVA test N=170 RADIATIONS RADIATION REGIMENINDICATION t test N=10 yes N=7 no N=3 RADIATIONEXPOSURE t test N=0 EXTRATHYROIDAL EXTENSION ANOVA test N=76 COMPLETENESS OF RESECTION ANOVA test N=1 NUMBER OF LYMPH NODES Spearman correlation test N=60 higher number.of.lymph.nodes N=36 lower number.of.lymph.nodes N=24 MULTIFOCALITY t test N=1 unifocal N=0 multifocal N=1 TUMOR SIZE Spearman correlation test N=2 higher tumor.size N=0 lower tumor.size N=2