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Relative risk is a relevant measure of association of left-handedness with inflammatory bowel disease
1Department of Epidemiology, National Institute of Environmental Medicine, Stockholm, Sweden.
Neuropsychologia
|January 1, 1988
Abstract:
A study of inflammatory bowel diseases and left-handedness was published in this Journal by Searlman and Fugagli (1987). We reanalysed the data and found that left-handedness was associated with relative risk of 2.5 for Crohn's disease and 2.9 for ulcerative colitis.