The Effect of Survival Bias on Case-Control Genetic Association Studies of Highly Lethal Diseases
Author(s) -
Christopher D. Anderson,
Michael A. Nalls,
Alessandro Biffi,
Natalia S. Rost,
Steven M. Greenberg,
Andrew Singleton,
James F. Meschia,
Jonathan Rosand
Publication year - 2011
Publication title -
circulation cardiovascular genetics
Language(s) - English
Resource type - Journals
eISSN - 1942-325X
pISSN - 1942-3268
DOI - 10.1161/circgenetics.110.957928
Subject(s) - association (psychology) , genetic association , biology , control (management) , genetics , medicine , genotype , psychology , single nucleotide polymorphism , computer science , gene , artificial intelligence , psychotherapist
Survival bias is the phenomenon by which individuals are excluded from analysis of a trait because of mortality related to the expression of that trait. In genetic association studies, variants increasing risk for disease onset as well as risk of disease-related mortality (lethality) could be difficult to detect in genetic association case-control designs, possibly leading to underestimation of a variant's effect on disease risk.
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