Table 3

Relation of ROP to birth weight

Birth weight (g)
≤750751–10001001–1500>1500Total
Total2367154148392
No ROP (%)2 (8.7)23 (34.3)127 (82.5)140 (94.6)292
Mild ROP (%)4 (17.4)22 (32.9)20 (13.0)6 (4.0)52
Severe ROP Not treated (%)1 (4.3)10 (14.9)4 (2.6)1 (0.7)16
Severe ROP Treated (%)16 (69.6)12 (17.9)3 (1.9)1 (0.7)32
Total ROP (%)21 (91.3)44 (65.7)27 (17.5)8 (5.4)