Prevalence and risk factors for diabetic retinopathy: the Beijing Communities Diabetes Study 6.

Background: To examine prevalence and associated factors of diabetic retinopathy in patients with Type 2 diabetes mellitus in urban communities of Beijing.

Methods: The community health care center-based study included subjects with diabetes mellitus and an age of 20 years to 80 years, who were recruited from 15 community health centers in urban Beijing. Diabetes mellitus was defined using the World Health Organization criteria.

The importance of γ-Glutamyltransferase (GGT) activity: a potential marker of Left Ventricular (LV) diastolic function in diabetic patients with cardiovascular disease.

Objectives: To examine the relation between left ventricular (LV) diastolic function and γ-glutamyltransferase (GGT) in diabetic individuals with or without previously diagnosed cardiovascular disease.

Design: A cross-sectional population-based study.

Setting: A university hospital.