Cataract surgery in a population-based cohort of patients with type 1 diabetes: long-term incidence and risk factors
September 19th, 2009 Posted by: admin
Purpose: To estimate the long-term cumulative incidence of cataract surgery and associated risk factors in a 25-year follow-up of a population-based cohort of patients with type 1 diabetes.Methods: Based on insulin prescriptions, a population-based cohort of 727 patients with type 1 diabetes was identified in 1973. In 1981[ndash]1982 diabetic retinopathy was graded and other markers of diabetes were measured in 573 patients who participated in a clinical baseline examination. Based on data from the Danish National Patient Registry, patients were followed until November 2006 and cataract surgery was evaluated during follow-up.Results: The 25-year crude cumulative incidence of cataract surgery was 20.8% (117 of 562 patients at risk), corresponding to a mortality-adjusted incidence of 29.4% [95% confide
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