VEGFA and retinopathy of prematurity: We included 31 publications that reported VEGF levels in ROP cases compared with those in a control group30,40,55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83 (Tables 3 and 4).