Figure 1.

Relationship between duration of exposure and valvular regurgitation. a) Prevalence of mild or greater aortic regurgitation (AR), mitral regurgitation (MR), and tricuspid regurgitation (MR) as a function of duration of fenfluramine use. P-values are for one-sided trend test. b) Prevalence of moderate or greater aortic regurgitation (AR), mitral regurgitation (MR), and tricuspid regurgitation (MR) as a function of duration of fenfluramine use.

Dahl et al. BMC Medicine 2008 6:34   doi:10.1186/1741-7015-6-34
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