Silver Book Fact
The prevalence of valve disease increases with age, from 0.7% in participants 18-44 to 13.3% in participants 75 years of age or older.
Nkomo, Vuyisile, Julius Gardin, Thomas Skelton, John Gottdiener, Christopher Scott, Maurice Enriquez-Sarano. Burden of Valvular Heart Diseases: a population-based study. Lancet. September 2006; 368(9540): 1005-11. http://www.ncbi.nlm.nih.gov/pubmed/16980116