Fig. 1
Box plot showing mean serum VEGF ± SD in controls (n = 40), no diabetic retinopathy (no DR, n = 38), non-proliferative diabetic retinopathy (NPDR, n = 38) and proliferative diabetic retinopathy (PDR, n = 40)
Fig. 1 | International Journal of Retina and Vitreous