Long-term developmental outcomes of very-low-birth-weight infants born to non-Korean mothers: an analysis using the Korean neonatal network (KNN) database.

Although survival rates did not differ significantly compared with Period I, an increasing trend in survival was observed in Period II, accompanied by longer hospital stays and a higher proportion of discharge with medical assistive devices.

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Younger maternal age and shorter rupture of membrane duration remained associated with higher rates of RDS in the non-Korean mother group; however, the difference in surfactant use was attenuated and did not reach statistical significance.

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