Table 2. Comparison of the demographic characteristics and morbidities of neonates with and without retinopathy of prematurity with gestational age 26-27 6/7 weeks. Of the 290 neonates, 39 died (mortality: 13.4 %) and 251 survived. Severe retinopathy was detected in 12 neonates (4.8 %), of whom 1 (0.4 %) required treatment.

Values are presented as number of neonates (with percentage in brackets), or means ± standard deviation (median with range in brackets). ROP: retinopathy of prematurity, GA: gestational age, M: male, F: Female, CS: cesarean section, SGA: small for gestational age, IVH: intraventricular hemorrhage, RDS: respiratory distress syndrome, PVL: periventricular leukomalacia, PDA: patent ductus arteriosus, NEC: necrotizing enterocolitis, MV: mechanical ventilation, TPN: total parenteral nutrition