A Bayesian approach to Mendelian randomisation with dependent instruments
نویسندگان
چکیده
منابع مشابه
Mendelian Randomisation: A Minireview
, © Wells This article is distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and redistribution in any medium, provided that the original author and source are credited. Mendelian randomisation is a technique which, fuelled by the results of GWA studies, can be used to determine causal relationships between in...
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In The Lancet, Benjamin Voight and colleagues use mendelian randomisation analysis to invest igate the relation between HDL cholesterol and coronary heart disease. High HDL cholesterol concentration is associated with reduced risk of coronary heart disease in observational studies, but whether the association is causal cannot be unequivocally ascertained from these studies alone, and whether ra...
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In the first part of this series, it was highlighted how even though randomised controlled trials can provide robust evidence for therapeutic interventions, for many types of exposure it may not be either practical or ethical to randomise patients to such studies (see part 1). Instrumental variables (IV) analyses have been increasingly employed in recent times in epidemiology to investigate the...
متن کاملOn the choice of parameterisation and priors for the Bayesian analyses of Mendelian randomisation studies.
Mendelian randomisation is a form of instrumental variable analysis that estimates the causal effect of an intermediate phenotype or exposure on an outcome or disease in the presence of unobserved confounding, using a genetic variant as the instrument. A Bayesian approach allows current knowledge to be incorporated into the analysis in the form of informative prior distributions, and the unobse...
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BACKGROUND It is unclear whether elevated plasma C reactive protein (CRP) is causally related to chronic obstructive pulmonary disease (COPD). The authors tested the hypothesis that genetically elevated plasma CRP causes COPD using a Mendelian randomisation design. METHODS The authors measured high-sensitivity CRP in plasma, genotyped for four single nucleotide polymorphisms in the CRP gene, ...
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ژورنال
عنوان ژورنال: Statistics in Medicine
سال: 2018
ISSN: 0277-6715
DOI: 10.1002/sim.8029