C1QTNF9 and chronic kidney disease: Indeed, in the multivariate analyses (Table 2), the explanatory factors including traditional cardiovascular risk factors along with plasma CTRP9 and adiponectin levels did not significantly explain max-IMT (R2 = 0.088, p = 0.515) or only minimally explained mean-IMT (R2 = 0.160, p = 0.032) in the CKD group.