用Logistic二元回归自变量法分析高同型半胱氨酸血症的相关因素

Clinical Medicine & Engineering(2010)

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Abstract
目的探讨血浆同型半胱氨酸(Homocysteine,Hcy)水平升高的相关因素。方法用断面调查的方法,对入选的144例病例,采用荧光偏振免疫法(Fluorescence Polarization Immuno-assay,FPIA)测定血浆Hcy水平,分别统计各病例血压、血糖、血脂等危险因素,采用Logistic逐步回归方法(后退法)筛选自变量,评价Hcy水平及其相关因素。结果本研究中,高同型半胱氨酸血症(HHcy)的发生率为68.7%。男性、高LDL患者更倾向于伴有高水平的Hcy,LDL的标准化比值比估计值为1.441,高于性别的标准化比值比估计值1.288,即高LDL血症对HHCy的影响高于性别对HHcy的影响。高血压、糖尿病等因素对Hcy水平的影响无显著性。结论血浆同型半胱氨酸水平与LDL水平及性别存在显著相关性。
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Key words
Logistic Regression,Risk factors,Homocysteine
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