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Am J Public Health. 1998 Aug;88(8):1236-9.

Perinatal mortality and its relationship to the reporting of low-birthweight infants.

Author information

1
Department of Obstetrics and Gynecology, University of Alabama, Birmingham 35233-7333, USA.

Abstract

OBJECTIVES:

This study examined changes in the reporting of very low-birthweight infants in Alabama from 1974 to 1994 and the impact on perinatal mortality rates.

METHODS:

Linked live birth, neonatal death, and stillbirth records of infants born weighing less than 1500 g were compared.

RESULTS:

The changes in mortality over time ranged from a drop from 100% to 92% in the under-500-g group to a drop from 39% to 4% in the 1000-to 1499-g group. The percentage of total births weighing less than 500 g increased by 155%; the percentage of 1000- to 1499-g births increased by only 7%. As a result, the percentage of neonatal mortality attributable to live births below 500 g increased from 3% to 32%.

CONCLUSIONS:

Increased reporting of births below 500 g has masked improvements in neonatal mortality.

PMID:
9702158
PMCID:
PMC1508302
[Indexed for MEDLINE]
Free PMC Article
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