Fig. 1
From: Serum erythropoietin concentration and its correlation with stage of diabetic retinopathy
Erythropoietin concentration in blood (mIU/ml) in different clinical stages of nonprolipherative (NPDR) and prolipherative (PDR) diabetic retinopathy. 0.Control group, 1.1.NPDR mild, 1.2. NPDR moderate, 1.3. NPDR severe, 2.1. PDR mild, 2.2 PDR moderate, 2.3. PDR severe, ° measured values different from most of the others (outlier), * measured values extremely different from most of the others (extreme outlier)