Patient Demographics, Morbidities after the treatment and neurodevelopmental outcomes as evaluated by Bayley Scale of Infant Development at 18 mo
| Laser only | IVB | |
|---|---|---|
| N | 55 | 34 |
| GA weeks | 23 (22–24) | 23 (22–25) |
| BW grams | 551 (476–611) | 492 (435–573)* |
| BPD mod-severe | 50 (91) | 34 (100) |
| Pulmonary hypertension | 5 (9) | 5 (15) |
| Death before discharge | 2 (4) | 2 (6) |
| N (followed at 18 month) | 35 | 10 |
| cognitive score<85 | 18 (51) | 5 (50) |
| language score <85 | 23 (66) | 6 (60) |
| motor score <85 | 24 (68) | 5 (50) |
| Cerebral palsy | 16 (46) | 5 (50) |
*p<0.05. Values are n (%) and median (interquartile range)