Diabetic retinopathy and its risk factors in patients with type 2 diabetes attending rural primary healthcare facilities in Tamil Nadu

Background. India has a high burden of diabetic retinopathy ranging from 12.2% to 20.4% among patients with type 2 diabetes mellitus (T2DM). A T2DM management programme was initiated in the public sector in Tamil Nadu. We estimated the prevalence of diabetic retinopathy and its associated risk facto...

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Bibliographic Details
Published in:The National medical journal of India 2016-01, Vol.29 (1), p.9-13
Main Authors: Fredrick, Tony, Kaur, Prabhdeep, Murhekar, Manoj, Jayaraman, Yuvaraj, Kolandaswamy, K, Rao, Sudha, David, Joseph
Format: Article
Language:English
Subjects:
Adult
Comorbidity
Complications and side effects
Cross-Sectional Studies
Diabetes
Diabetes Mellitus, Type 2 - complications
Diabetic retinopathy
Diabetic Retinopathy - epidemiology
Female
Humans
India - epidemiology
Male
Middle Aged
Patients
Prevalence
Prevalence studies (Epidemiology)
Primary care
Primary Health Care
Risk Factors
Rural areas
Rural Health Services
Type 2 diabetes
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Summary:Background. India has a high burden of diabetic retinopathy ranging from 12.2% to 20.4% among patients with type 2 diabetes mellitus (T2DM). A T2DM management programme was initiated in the public sector in Tamil Nadu. We estimated the prevalence of diabetic retinopathy and its associated risk factors. Methods. We did a cross-sectional survey among patients with T2DM attending two primary health centres for treatment and follow-up in Kancheepuram, Tamil Nadu in January- March 2013. We did a questionnaire-based survey, and measured blood pressure and biochemical parameters (serum creatinine, plasma glucose, etc.) of the patients. We examined their eyes by direct and indirect ophthalmoscopy and defined diabetic retinopathy using a modified classification by Klein et al. We calculated the proportion and 95% CI for the prevalence and adjusted odds ratio (AOR) for risk factors associated with diabetic retinopathy. Results. Among the 270 patients, the mean (SD) age was 54.5 (10) years. The median duration of T2DM was 48 months. The prevalence of diabetic retinopathy was 29.6%. Overall, 65.9% of patients had hypertension, 14.4% had nephropathy (eGFR 5 years (AOR 6.5, 95% CI 3.6-11.7), poor glycaemic control (AOR 2.4, 95% CI 1.4-4.4), and nephropathy (AOR 2.3, 95% CI 1.1-4.6). Conclusions. There was a high burden of undetected retinopathy and other comorbid conditions among patients with T2DM. Early detection of comorbid conditions and glycaemic control can be improved by training care-providers and educating patients.
ISSN:0970-258X
0970-258X
DOI:10.4103/0970-258x.186906