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Plots of risk function of Kaplan-Meier study. The y-axis represents the accumulative risk to develop diabetic retinopathy, and the x-axis represents diabetes mellitus duration in years. The green curve represents effect of patients with renal failure as risk factor, and the blue curve patients without renal failure. At the top, there is the analysis of renal failure measured with UACR ≥ 300 mg/g, and at bottom eGFR < 30 ml/min/1.73 m2.
