Four-year incidence of diabetic retinopathy in a Spanish cohort: the MADIABETES study.

PLoS One · 2013 · PMC3798464 · PMID 24146865

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a slight trendno p-value reported

However, our study did not note a significant increase of DR, only a slight trend towards DR (HR = 1.17, 95% CI = 0.75–1.82).

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