Birth characteristics | |
Birth weight, mean (g) | 567 (340 to 874) |
Gestational age, mean (weeks) | 23.2 (21.9 to 23.9) |
Sex (female) | 188/399 (47.1) |
ROP outcome | |
No ROP | 34/399 (8.5) |
ROP stages 1 and 2 | 125/399 (31.3) |
ROP stage 3 | 227/399 (56.9) |
ROP stages 4 and 5 | 13/399 (3.2) |
ROP treatment | 173/399 (43.4) |
ROP retreatment | 68/173 (39.3) |
Values are presented as mean (max and min) or n (%).
ROP, retinopathy of prematurity.