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Table 5 Prevalence of diabetic retinopathy by the International Clinical Diabetic Retinopathy guidelines according to the tertiles of urinary albumin excretion rate in normoalbuminuric people with type 2 DM

From: Predictors for diabetic retinopathy in normoalbuminuric people with type 2 diabetes mellitus

  Urinary albumin excretion rate P value
  Tertile I(< 4.26 μg/min)n = 103 Tertile II(4.26 -7.21 μg/min)n = 104 Tertile III(> 7.21 μg/min)n = 103
No DR 91 (88.3) 88 (84.6) 67 (65.0) < 0.001
NPDR 11 (10.7) 14 (13.5) 29 (28.2) 0.002
NPDR, mild 8 (7.8) 8 (7.7) 20 (19.4)  
NPDR, moderate 0 (0) 3 (2.9) 2 (1.9)  
NPDR, severe 3 (2.9) 3 (2.9) 7 (6.8)  
PDR 1 (1.0) 2 (1.9) 7 (6.8) 0.027
  1. Data are expressed as n (%).
  2. Abbreviations: NPDR non-proliferative diabetic retinopathy, PDR proliferative diabetic retinopathy.