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- W2364173787 abstract "Objectives:For a critical appraisal to the methodology of the causation studies.Methods:The Regional Clinical Epidemiology Resources and Training Center organized some of its faculty members to evaluate the methodology of causation studies published from July 1994 to June 1997 in 6 Zhonghua medical journals using same standard.Results:Altogether 61 articles were collected,in which 14 were cohort studies,15 case-control studies and 32 cross-sectional studies.In 14 cohort studies,confounding was considered in just 5 studies,and OR,RR the causation measurement variables were only used in 6 studies.Whereas in 15 case-control studies OR was employed in 14 articles,confounding was analyzed in 10 articles.Within 32 cross-sectional studies,RR of OR was used in only 8 reports.The others used rates comparisons,t test and correlation etc.to express the relations between variables.14 studies had very small samples.Conclusion:In 61 causation studies,about half of them had severe methodological deficiency,and validity of the studies was affected.To improve quality of the causation studies,clinical epidemiology should be integrated into the content of continuing education for clinicians." @default.
- W2364173787 created "2016-06-24" @default.
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- W2364173787 date "1999-01-01" @default.
- W2364173787 modified "2023-09-26" @default.
- W2364173787 title "Critical Appraisal to the Methodology of Causation Studies Published in Past 3 Years in 6 Zhonghun Medical Journals" @default.
- W2364173787 hasPublicationYear "1999" @default.
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