Narrowing of sex differences in infant mortality in Massachusetts

被引：20

作者：

Bhaumik U. ^{[1
,2
]}

Aitken I. ^{[1
]}

Kawachi I. ^{[3
]}

Ringer S. ^{[4
]}

Orav J. ^{[5
]}

Lieberman E. ^{[6
]}

机构：

[1] Department of Maternal/Child Health, Harvard School of Public Health, Boston, MA

[2] Boston Public Health Commission, Boston, MA

[3] Department of Health/Social Behavior, Harvard School of Public Health, Boston, MA

[4] Joint Program in Neonatalogy, Harvard Medical School, Boston, MA

[5] Department of Medicine, Brigham and Women's Hospital, Boston, MA

[6] Center for Perinatal Research, Department of Obstetrics/Gynecology, Brigham and Women's Hospital, Boston, MA 02115

来源：

Journal of Perinatology | 2004年 / 24卷 / 2期

关键词：

D O I：

10.1038/sj.jp.7211021

中图分类号：

学科分类号：

摘要：

Objectives: To examine whether the improved survival of preterm infants has influenced the known male excess in infant mortality. Study Design: We analyzed sex-specific infant mortality using linked birth and death certificates for all 619,811 live born infants in Massachussetts between 1989 and 1995. Results: Between 1989 and 1995 the male excess in infant mortality decreased by 50% from 1.6/1000 to 0.8/1000 live births (LB). This narrowing resulted primarily from a more rapid decline in neonatal mortality among male infants (1.5/1000 LB) than among female infants (0.9/1000 LB). The largest declines in the male excess in neonatal mortality occured among very premature infants (GA ≤ 30 weeks) and resulted primarily from a more rapid decrease in male deaths from respiratory distress syndrome. Conclusions: The narrowing of the sex difference in mortality between 1989 and 1995 suggest that newer treatments like antenatal steroids, and surfactants may have differently benefited male infants. © 2004 Nature Publishing Group All rights reserved.

引用

页码：94 / 99

页数：5

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