Table 3

Number of infants per highest stage of ROP attained in each retina zone (percentage of total ROP cases)

ROP retina zoneROP stage 1ROP stage 2ROP stage 3ROP stage 4ROP
stage 5
APTotal ROP cases
I (% of total)0 (0)3 (0.5)2 (0.3)0 (0)1 (0.2)7 (1.2)13 (2.2)
II (% of total)46 (8.4)125 (21.2)42 (7.2)1 (0.2)0 (0)2 (0.3)216 (36.9)
III (% of total)206 (34.7)137 (23.4)13 (2.2)0 (0)0 (0)0 (0)356 (60.9)
Grand total 252 (43.1) 265 (45.3) 57 (9.7) 1 (0.2) 1 (0.2) 9 (1.5) 585 (100)
  • ROP, retinopathy of prematurity; AP, aggressive posterior retinal disease.