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子痫前期预测模型的建立与评价 被引量:3

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摘要 目的探讨子痫前期(PE)的相关影响因素,寻找预测PE的方法,为预防PE提供依据。方法对PE患者228例(PE组)和正常妊娠230例(对照组)孕妇进行相关因素调查,建立预测PE的多因素Logistic回归模型,并使用ROC曲线评估预测效果。结果(1)单因素分析结果表明:PE组的年龄≥30岁、孕检〈3次、水肿、尿蛋白阳性、高血压家族史、孕前体重指数(BMI)≥24kg/m2的构成比显著高于对照组。(2)多因素Logistic回归分析显示,水肿(OR=6.209)、高血压家族史(OR=5.334)、孕前BMI(OR=4.165)与PE的发生独立相关,PE预报概率(P)=1/[1+EXP(1.913~1.826水肿-1.674高血压家族史-1.427孕前BMI)]。(3)模型预测PE的ROC曲线下面积为0.831(95%CI:0.794-0.869),大于水肿0.727(95%CI:0.680~0.774)、高血压家族史0.689(95%CI:0.640~0.738)和孕前BM10.646(95%CI:0.595~0.696)中任一因素,P〈0.05,当P=0.529时,模型预测PE的敏感性和特异性分别为0.750、0.739,而水肿、高血压家族史和孕前BMI预测PE的敏感性分别为0.693、0.575和0.474,特异性分别是0.761、0.804和0.861。结论水肿、高血压家族史和孕前BMI是预警PE的重要指标,以此建立的模型对PE的预测有一定临床价值。
出处 《青岛医药卫生》 2014年第1期46-48,共3页 Qingdao Medical Journal
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共引文献51

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