Follow-up of infants 501 to 1,500 gm birth weight delivered to residents of a geographically defined region with perinatal intensive care facilities

In an attempt to minimize the selection bias inherent in reporting the outcome of premature infants from a particular neonatal intensive care unit, this study presents data on all 294 live births 501 to 1,500 gm birth weight born to residents in the Hamilton-Wentworth region during 1973-78. The survival rate was 31.9% in infants less than or equal to 1,000 gm and 82.6% in infants between 1,001 to 1,500 gm. In all, 184 infants (62.6%) were …