Table 3. Treatment according to the staging of ROP in VLBW infants.
| Treatment | No. ROP (n=1,323) | ROP | ||||
|---|---|---|---|---|---|---|
| Stage 1 (n=235) | Stage 2 (n=218) | Stage 3 (n=229) | Stage 4 (n=4) | Total (n=686) | ||
| Gestational age (week) | 29.8 ± 2.4 | 27.4 ± 2.2 | 27.9 ± 2.1 | 27.4 ± 2.2 | 26.9 ± 2.2 | 26.5 ± 2.2 |
| Birth weight (g) | 1,197 ± 216 | 959 ± 244 | 1,025 ± 241 | 959 ± 244 | 912 ± 252 | 913 ± 252 |
| Length of hospitalization (d) | 59 ± 25 | 83 ± 36 | 98 ± 34 | 116 ± 42 | 154 ± 84 | 98 ± 38 |
| ROP_treatment (No. %) | - | 8 (3.4) | 41 (18.8) | 178 (78.4) | 4 (100) | 231 (33.7) |
| Operation | - | 6 (2.6) | 32 (14.7) | 150 (66.1) | 4 (100) | 192 (28.0) |
| Anti-VEGF | - | 3 (1.3) | 15 (6.9) | 65 (28.6) | 1 (25) | 84 (12.2) |
| Operation+anti-VEGF | - | 1 (0.4) | 6 (2.8) | 37 (16.3) | 1 (25) | 45 (6.6) |
Data are presented as n (%) or mean±standard deviation. ROP, retinopathy of prematurity; VEGF, vascular endothelial growth factor.