Prevalence and risk factors of diabetic retinopathy in subjects with suboptimal glycemic, blood pressure and lipid control. Sankara Nethralaya Diabetic Retinopathy Epidemiology and Molecular Genetic Study (SN-DREAMS, Report 33)
Abstract
To assess the rate of achieving optimal metabolic control among subjects with type 2 diabetes, to elucidate the influence of suboptimal control on diabetic retinopathy (DR) and to analyze the risk factors associated with DR in the subjects with suboptimal control. A population-based, cross-sectional study was conducted in south India. The study population consisted of 1414 subjects with type 2 diabetes. Optimal control of glycosylated hemoglobin (HbA1c), blood pressure (BP) and lipids was defined as: optimal HbA1c <7%, suboptimal HbA1c ≥ 7%; optimal BP ≤ 130/80 mm Hg, suboptimal BP >130/80 mm Hg; optimal low-density lipoprotein (LDL-C) <100 mg/dl, suboptimal LDL ≥ 100 mg/dl. Of the subjects, 13.6% achieved combined optimal target levels for all metabolic parameters. When compared to subjects with optimal control, those with suboptimal control of HbA1c (trend P < 0.0001) and systolic blood pressure (SBP, trend P = 0.007) were more likely to have DR. Subjects having a combination of suboptimal glycemic and BP control (P < 0.0001 for SBP, P = 0.004 for diastolic blood pressure (DBP)), and suboptimal glycemic, BP and LDL control (P < 0.0001 for SBP, P = 0.017 for DBP), were more likely to have DR when compared to the subjects havin...Continue Reading
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