Table 3 Relationship of birth weight to ROP diagnosis
Birth weight (g)
Diagnosis⩽750>750, ⩽1000>1000, ⩽1500>1500, ⩽1800>1800Total
Total no. in group323834413166
No ROP no. (%)0 (0)4 (17.4%)37 (44.6%)24 (54.5%)8 (61.5%)73
Stage I no. (%)0 (0)8 (34.8%)25 (30.1%)17 (38.6%)3 (23.1%)53
Stage II no. (%)2 (66.7%)4 (17.4%)16 (19.3%)1 (2.3%)2 (15.4%)25
Stage III no. (%)1 (33.3%)7 (30.4%)5 (6%)2 (4.6%)0 (0)15
All stages of ROP (%)3 (100%)19 (82.4%)46 (55.4%)20 (45.5%)5 (38.5%)