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首页> 美国政府科技报告 >Temporal Variations in U.S. Infant Death from Perinatal Causes by Race, BirthWeight and Time Period of Birth. Abstract, Executive Summary and Dissertation
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Temporal Variations in U.S. Infant Death from Perinatal Causes by Race, BirthWeight and Time Period of Birth. Abstract, Executive Summary and Dissertation

机译：围产期，出生体重和出生时间对围产期美国婴儿死亡的时间变化。摘要，执行摘要和论文

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This population-based study was conducted to examine the effects of varioustechnologies, that evolved in the late 1980s and early 1990s to improve infant survival, on time to death. The study examined the temporal variations in time to infant death from perinatal related causes, at varying birth weights and for two races, between 1985 and 1995, and considered the implications of the findings for future perinatal policy and interventions. Non-experimental, retrospective, population based design, utilizing US national and state secondary vital records data linking births with infant deaths from 1985 to 1995. The outcome variable was time to infant death from perinatal related causes. Two birth weight cohorts (500-1499 grams and 500 to 6000 grams), and two race cohorts (infants born to Black mothers and infants born to White mothers) were utilized. Mortality frequencies, distributions and rates, percentages of time-to-death, and total days to death for all infants from perinatal related causes were calculated.

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