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Strict glycemic control slows progression of retinopathy

Strict glycemic control slows progression of retinopathy
Cumulative incidence of progressive retinopathy in patients with type 1 diabetes and very mild to moderate nonproliferative retinopathy who were treated with either conventional (dashed line) or intensive (solid line) insulin therapy for 9 years. There was an increasing benefit of intensive therapy over time, although intensive therapy was associated with transient worsening in the first year (p<0.001).
Data from: Diabetes Control and Complications Trial Research Group. The effect of intensive treatment of diabetes on the development and progression of long-term complications in insulin-dependent diabetes mellitus. N Engl J Med 1993; 329:977.
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