December 2002
Volume 43, Issue 13
Free
ARVO Annual Meeting Abstract  |   December 2002
The Diabetic Retinopathy Comparison Study
Author Affiliations & Notes
  • IP Singh
    Surgery/Ophthalmology Cook County Hospital Chicago IL
  • G Gillen
    Surgery The Chicago Medical School Chicago IL
  • LS Thompson
    Surgery/Ophthalmology Cook County Hospital Chicago IL
  • JR Vingerling
    Sydney Australia
  • PB Dray
    Surgery/Ophthalmology Cook County Hospital Chicago IL
  • RM Ahuja
    Surgery/Ophthalmology Cook County Hospital Chicago IL
  • Footnotes
    Commercial Relationships   I.P. Singh, None; G. Gillen, None; L.S. Thompson, None; J.R. Vingerling, None; P.B. Dray, None; R.M. Ahuja, None.
Investigative Ophthalmology & Visual Science December 2002, Vol.43, 544. doi:
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    • Get Citation

      IP Singh, G Gillen, LS Thompson, JR Vingerling, PB Dray, RM Ahuja; The Diabetic Retinopathy Comparison Study . Invest. Ophthalmol. Vis. Sci. 2002;43(13):544.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose: To compare the incidence of diabetic retinopathy in African-Americans, Hispanics, and Indians/Pakistanis. Method: A prospective study of all patients presenting the diabetic screening clinic at Cook County Hospital from June 2001 to October 2001. There was no restriction of access to medical care due to ethnicity, or ability to pay for medical services. Results: A total of 133 patients were included in the study. The study population consisted of 66 Hispanics, 35 African-Americans, and 32 Indian/Pakistani-Americans. Among these 3 groups, there were no statistically significant differences with respect to age, duration of diabetes and gender distribution. In the study population, the mean age was 56.2 years (32-87), duration of diabetes 9.2 years (1-27), and 60 percent were female (54 males/79 females). Hispanics had a 2.7 times (95%CI 1.0-7.6) higher risk of having diabetic retinopathy as compared to Indians/Pakistanis adjusted for age, gender, type of medication and duration of diabetes. Indians/Pakistanis and African-Americans had the lowest risk of having any diabetic retinopathy compared to Hispanics. After adjusting for age, gender and duration of diabetes, African-Americans had a 4 times (95%CI 1.2-13.9) higher rate of using insulin as compared to Indians/Pakistanis and Hispanics. Conclusion: Indians/Pakistanis and African-Americans had a lower risk of having any diabetic retinopathy as compared to Hispanics. These findings correlate well with prior reports that have shown higher rates of diabetic retinopathy in Hispanics compared to other ethnic groups in the United States. We have found a lower rate of diabetic retinopathy as compared to Hispanics in a previously unstudied group of patients, Indian/Pakistani-Americans. It is important to recognize the difference in rates of diabetic retinopathy between diverse ethnic groups in order to determine the most cost-effective methods for screening and intervention in diabetic eye disease.

Keywords: 388 diabetic retinopathy • 354 clinical (human) or epidemiologic studies: prevalence/incidence • 554 retina 
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