Change of Vascular Endothelial Growth Factor Levels following Vitrectomy in Eyes with Proliferative Diabetic Retinopathy

Figure 2

Change of postoperative VEGF levels over time. Both the median postoperative VEGF level (a) and the median postop/baseline VEGF ratio (b) were declined with time and dramatically decreased in group 3 (11–15 days) and 4 (16–21 days).

(a)

(b)