Controls Who Experienced Hypothetical Causal Intermediates Should Not Be Excluded from Case-Control Studies
نویسندگان
چکیده
منابع مشابه
Controls who experienced hypothetical causal intermediates should not be excluded from case-control studies.
It has been suggested that controls with adenomatous polyps of the colon and rectum should be excluded from case-control studies of cigarette smoking and colorectal cancer. A claim has been made that the presence of such controls creates a bias toward the null. The polyps are an intermediate step in a hypothetical causal pathway between the exposure and the disease. Thus, the recommendation log...
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ژورنال
عنوان ژورنال: American Journal of Epidemiology
سال: 1999
ISSN: 0002-9262,1476-6256
DOI: 10.1093/oxfordjournals.aje.a010051