Abstract
刘慧鑫,苏迎盈,李峥,汪宁.队列研究中的依时混杂偏倚和随访时间偏倚[J].Chinese journal of Epidemiology,2014,35(10):1169-1171
队列研究中的依时混杂偏倚和随访时间偏倚
Time-dependent confounding bias and follow-up duration time bias in cohort studies
Received:May 13, 2014  
DOI:10.3760/cma.j.issn.0254-6450.2014.10.021
KeyWord: 队列研究  依时混杂偏倚  随访时间偏倚  流行病学
English Key Word: Cohort study  Time-dependent confounding bias  Follow-up duration and time bias  Epidemiology
FundProject:国家“十二五”科技重大专项(2012ZX10001-001)
Author NameAffiliationE-mail
Liu Huixin National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China  
Su Yingying National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China  
Li Zheng National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China  
Wang Ning. National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China wangnbj@163.com 
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Abstract:
      未加识别或控制的混杂因素和偏倚会影响流行病学研究中因果关系的准确判断。目前已熟知队列研究中可能出现的选择偏倚及失访偏倚,为此笔者复习了队列研究中可能存在的依时混杂偏倚及其控制方法,并通过实例提出随访时间偏倚的概念及其控制方法。
English Abstract:
      
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