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采用回顾性分析方法,对1988年1月～1994年10月在美国纽约Mount Sinai医学中心分娩的40岁以上孕妇1404例,和同期20～29岁单胎孕妇6987例作对照分析。将年龄40岁以上初产妇607例及797例经产妇与年龄20～29岁的4635例初产妇及2343例经产妇作比较。其中27例初产妇及31例经产妇的年龄>45岁。运用X~2或双尾Fisher精确试验及优势比(OR)与可信区限(CI)的统计方法评估母亲年龄与妊娠结局的关系。 从人口统计学特征分析,在高龄组中白人、大学教育、不育、慢性内科疾病,高于对照组。在高龄组
We retrospectively analyzed 1404 pregnant women over the age of 40 who delivered at Mount Sinai Medical Center in New York from January 1988 to October 1994 and 6987 singleton pregnant women aged 20-29 at the same period. 607 cases of primiparas older than 40 years and 797 cases of primipara and 463 cases of primiparas aged 23 to 29 years old aged 20 to 29 years were compared. 27 cases of primipara and 31 cases of maternal age> 45 years old. X ~ 2 or two-tailed Fisher exact test and odds ratio (OR) and confidence interval (CI) statistical methods to assess the relationship between mother’s age and pregnancy outcome. From the demographic characteristics of analysis, in the senior group, white, college education, infertility, chronic medical diseases, higher than the control group. In the senior group