Maternal characteristics and outcomes in relation to the number of previous abortions.
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Data are n (percent) unless otherwise indicated.aNumber (percent) missing data: height, 106,661 (14.6); marital status, 70,585 (9.6); smoking status (1992–2008), 43,998 (10.6).bSub-group of births was used to calculate proportions: neonatal death data were available from 1985 onwards, and smoking data were available from 1992 onwards.IQR, inter-quartile range.
创建时间：
2015-12-02
