APOL1 and kidney failure: When CKD/kidney failure status (defined as eGFR < 60 mL/min/1.73 m2 or at least two ICD-10 codes for dialysis or kidney transplant) was included as a covariate and a stringent Bonferroni correction applied, no non-renal diseases were associated when APOL1 two-risk-variant genotypes were grouped together.