The relationship between nutrition status indicators and vitamin D deficiency in patients with type 2 diabetes mellitus

Purpose To investigate the association between nutrition status indicators and vitamin D deficiency in type 2 diabetes mellitus (T2DM) patients. Patients and methods This cross-sectional study enrolled 285 hospitalized T2DM patients from Hebei General Hospital. Vitamin D deficiency was defined as serum 25-hydroxyvitamin D (25OHD) < 20 ng/mL. Nutritional indicators, including total protein, albumin, prealbumin, body mass index (BMI), uric acid (UA), hemoglobin (Hb), and other information,