Clinical feature Statistical test Significant genes Associated with                 Associated with Time to Death Cox regression test N=0 AGE Spearman correlation test N=101 older N=38 younger N=63 NEOPLASM DISEASESTAGE ANOVA test N=450 PATHOLOGY T STAGE Spearman correlation test N=482 higher stage N=80 lower stage N=402 PATHOLOGY N STAGE t test N=2263 class1 N=1106 class0 N=1157 PATHOLOGY M STAGE ANOVA test N=14 GENDER t test N=41 male N=19 female N=22 HISTOLOGICAL TYPE ANOVA test N=5613 RADIATIONS RADIATION REGIMENINDICATION t test N=28 yes N=17 no N=11 RADIATIONEXPOSURE t test N=6 yes N=3 no N=3 EXTRATHYROIDAL EXTENSION ANOVA test N=1036 COMPLETENESS OF RESECTION ANOVA test N=2 NUMBER OF LYMPH NODES Spearman correlation test N=1305 higher number.of.lymph.nodes N=728 lower number.of.lymph.nodes N=577 MULTIFOCALITY t test N=0 TUMOR SIZE Spearman correlation test N=9 higher tumor.size N=0 lower tumor.size N=9