Purpose: A poster showing the process of describing if choice of control group affects the association of antibiotics with Clostridium difficile-associated diarrhea.
Source: Developed by P. Chung, Y. Gao, and B. Ostrowsky, Montefiore Medical Center, for 2011 Society for Healthcare Epidemiology of America annual meeting. Abstract available at: http://shea.confex.com/shea/2011/webprogram/Paper4443.html.
Instructions: Use as a reference.