Cholesterol-modified prognostic nutritional index: a novel nutritional biomarker for prevalent diabetic retinopathy in patients with type 2 diabetes mellitus
To investigate the association and dose–response relationship between the cholesterol-modified prognostic nutritional index (CPNI) and diabetic retinopathy (DR) in patients with type 2 diabetes mellitus (T2DM), and to evaluate its utility in identifying prevalent DR. In this retrospective cross-sectional stu...