Mortality in very preterm and very low birth weight infants according to place of birth and level of care: Results of a national collaborative survey of preterm and very low birth weight infants in The Netherlands

As part of a collaborative project in the Netherlands in 1983, for which data were collected on 1,338 newborn infants (less than 32 weeks' gestation and/or less than 1,500 g birth weight), all infants were assigned to one of three levels of care according to hospital of birth. Considerable centralization was achieved by antenatal and neonatal...