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confounding and its control
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confounding and its control
Encyclopedia
医学
流行病学研究的统计学设计
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confounding and its control
混杂及其控制
在医学研究中,若存在一个或多个既与研究因素有关,又与观察结局有关的非研究因素,会掩盖或扩大研究因素与观察结局之间的联系,这种影响称之为混杂。这些非研究因素称为混杂因素。
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