Usefulness of serum cystatin C in Japanese patients with type 2 diabetes mellitus and nephropathy

We examined usefulness of serum cystatin C to detect chronic kidney disease (CKD) stage ≥3, which was defined by Modification of Diet in Renal Disease formula. Serum cystatin C could detect CKD stage ≥3 with high efficacy in 289 Japanese patients with type 2 diabetes and nephropathy.