SPON1 and chronic kidney disease: There were two CKD interactions with Bonferroni-corrected statistical significance: Spondin-1 (CKD HR, [95%CI] 1.11[1.04, 1.19], non-CKD HR, [95%CI] 2.16 [1.63, 2.86], p-value for interaction 1.4 x10-6; and Inhibin beta A chain (CKD HR, [95%CI] 0.82 [0.68, 0.99], non-CKD HR, [95%CI] 1.40 [1.17, 1.68]], p-value for interaction 8.6 x10-5.