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Morbidities and Mortality
| Once/Week | Three Times/Week | |
|---|---|---|
| ROP ≥ stage 3 | 0/9 | 0/9 |
| IVH ≥ grade 3 | 1/10 | 3/10 |
| Hypertension | 0 | 0 |
| BPD | 5/9 | 6/9 |
| Death | 1/10 | 1/10 |
ROP: retinopathy of prematurity; IVH: intraventricular hemorrhage; BPD: bronchopulmonary dysplasia
