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应正确把握遗传研究中有关病例对照研究的前提条件 被引量:1

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摘要 病例对照研究是目前疾病关联分析中应用较多的方法。遗传研究中的病例对照研究是基于群体中无亲缘关系的病例组与表现型正常的对照组在某个易感候选基因或标记基因出现不同的频率而设计的。如果两组候选基因的差异有统计学意义,可推断候选基因同所研究疾病的易感性有关。正确的病例对照研究应该满足三个前提条件,即研究对象无血缘关系,对照组符合Hardy-Weinberg平衡(Hardy-Weinberg equilibrium,HWE),对照组与病例组匹配。
出处 《中华流行病学杂志》 CAS CSCD 北大核心 2007年第11期1140-1140,共1页 Chinese Journal of Epidemiology
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