KCNIP4 and chronic kidney disease: Specifically, a KCNIP4 association was found in PCs extracted from the three CKD-primary traits combined with other secondary traits as follows: total cholesterol (TC)/HDL-C ratio, HDL, triglyceride, and waist hip ratio (i.e. CGU-CHTW-PC2); body fat and height (i.e. CGU-BH-PC1).