Age, gender, location, living alone, occupation, smoking, hypertension, PN, PVD, nephropathy, retinopathy, cataracts, duration of diabetes, diabetes therapy, ABI, intermittent claudication, BMI, HbA1c, fasting plasma glucose, postprandial blood glucose, bilirubin, creatinine, cholesterol, triglyceride, HDL, haemoglobin, albumin, WBC. The gene discussed is ALB; the disease is retinal disorder.