Silver Book Fact
Adjusted to the U.S. 2000 population, the prevalence of valve disease was 2.5% and the mortality risk ratio associated with the disease was 1.36.
Nkomo V, Gardin J, Skelton T, Gottdiener J, et al. Burden of Valvular Heart Diseases: A population-based study. Lancet. September 2006; 368(9540): 1005-11. http://www.ncbi.nlm.nih.gov/pubmed/16980116