Table 2

Zone and stage of ROP, mean GA, mean BW of patients with ROP

ROP typeEye (n)Eyes (%)GA (weeks, mean±SD)BW (g, mean±SD)
Zone I stage 1+48.3%28.3±2.11300.0±230.0
Zone I stage 2+24.2%311470
Zone I stage 3+36.2%27.7±1.31146.0±127.0
Zone II stage 2+1020.9%29.3±0.81328.0±248.7
Zone II stage 3+2552.1%28.0±1.71099.0±236.5
Plus disease48100%28.5±1.61209.6±228.6
  • AP-ROP, aggressive posterior retinopathy of prematurity; BW, birth weight; GA, gestational age; ROP, retinopathy of prematurity