MRSA infections increase in older patients
In 2008, 75% of healthcare-associated invasive MRSA infections occurred in patients older than 50, with 46% in patients older than 65%.
Kallen, Alexander J., Yi Mu, Sandra Bulens, Arthur Reingold, Susan Petit, Ken Gershman, Susan M. Ray, Lee H. Harrison, Ruth Lynfield, Ghinwa Dumyati, John M. Townes, William Schaffner, Priti R. Patel, Scott K. Fridkin; for the Active Bacterial Core surveillance (ABCs) MRSA Investigators of the Emerging Infections Program. Healthcare-Associated Invasive MRSA Infections, 2005-2008. JAMA. 2010; 304(6): 641-7. http://jama.jamanetwork.com/article.aspx?articleid=186385