Demographic data at the time of delivery in hospital discharges among women age 35–44 and age 45 and older compared to women under 35, Nationwide Inpatient Sample years 2008–2010.
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aValues are median (interquartile). Comparison by Wilcoxon Sign-Rank test.bComparison by Chi-Square.bcMedian house income $1–$38,999.
创建时间：
2015-12-02
