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Table 2 Various grades of retinopathy in the worst eye according to type of diabetes

From: Optimizing Medical Management in Patients with Sight-Threatening Diabetic Retinopathy

Grade of retinopathy in worst eye Type 1 diabetes (n = 10 patients) Type 2 diabetes (n = 22 patients)
Background (R1) 0 5
Pre-proliferative (R2) 2 15
Proliferative (R3) 8 2
Maculopathy (M1) 8 10
  1. Values in table are given as the number of patients