Table 2

Demographic, pregnancy and neonatal details of infants requiring ROP treatment

Number identified327
Gender
 Female138 (42.2%)
 Male189 (57.8%)
Ethnic group
 Asian45 (13.8%)
 Black18 (5.5%)
 Mixed17 (5.2%)
 Other19 (5.8%)
 White228 (69.7%)
Single/multiple birth
 Singleton238 (72.8%)
 Twin80 (24.5%)
 Triplet7 (2.1%)
 Other2 (0.6%)
Birth weight in g, median (IQR)706 (620–821)
Gestational age at birth in weeks, median (IQR)25 (24.3–26.1)
Age at first ROP treatment in days, median (IQR)80 (71–96)
  • ROP, retinopathy of prematurity.