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Logistic回归及倾向评分法在构建脑卒中发病概率模型中的应用

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摘要 目的:研究影响脑卒中发病的危险因素,构建及应用脑卒中发病概率预测模型,为临床防治脑卒中提供依据。方法:采用病例对照研究法,收集辖区内收治的脑卒中病例162例,以内科同期收治的非脑卒中慢性病住院患者184例为对照,以多因素非条件Logi st i c回归模型为基本依据,通过Logi st i c回归建立脑卒中发病概率预测模型,然后采用ROC曲线法对概率预测模型进行评价。本研究倾向评分法将6个因素指标融为一个综合指标-倾向评分。结果:有意义的变量数仅有6个,从变量数来看适合Logi st i c回归模型和倾向评分法,发现影响脑卒中发病的危险因素包括年龄、高血压、CHOL、TG、HDL-C、LDL-C等,预测准确率能达到90.2%。结论:Logi st i c回归模型能较为准确地预测脑卒中发病概率,而倾向评分表能较好地反映出研究对象的发病危险程度、对脑卒中进行危险评分分层,所构建的Excel脑卒中发病概率预测模型,具有较好的推广应用价值。
出处 《中国美容医学》 CAS 2012年第07X期123-124,共2页 Chinese Journal of Aesthetic Medicine
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