Figure 1. Serum pro-brain natriuretic peptide levels (pg/ml) in various diabetic retinopathy stages. NoDR - no diabetic retinopathy,
NPDR - non-proliferative diabetic retinopathy, PDR - proliferative diabetic retinopathy, BNP - brain natriuretic peptide.
Figure 1 of
Chaturvedi, Mol Vis 2025; 31:10-21.