Can Observational Studies Approximate RCTs?
نویسندگان
چکیده
منابع مشابه
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www.thelancet.com Vol 373 April 11, 2009 1233 Our suggested randomised design to evaluate drugs courts has limitations. Off enders who enter no or a delayed plea (about 20%) are not eligible. How judges are chosen for the drugs court also matters when extrapolating from the randomised evidence-base: fewer, and perhaps more senior, judges may preside in a drugs court than in conventional courts,...
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Correspondence to: Dr Peter Jepsen, Department of Clinical Epidemiology, Aarhus University Hospital, Vennelyst Boulevard 6, 8000 Aarhus C, Denmark; pj@soci. au.dk _________________________ T he aim of this paper is to review the most important methodological strengths and limitations of observational studies of humans, as opposed to experimental studies. The names ‘‘observational’’ and ‘‘experi...
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ژورنال
عنوان ژورنال: Value in Health
سال: 2012
ISSN: 1098-3015
DOI: 10.1016/j.jval.2012.01.003