Prevalence and Incidence of Progressive Multifocal Leukoencephalopathy (PML), Clostridium Difficile, and Cytomegalovirus (CMV) Diagnoses

This report investigated prevalence and incidence of progressive multifocal leukoencephalopathy (PML), clostridium difficile, and cytomegalovirus (CMV) diagnoses among members with Crohn's disease or ulcerative colitis in the Mini-Sentinel Distributed Database (MSDD). The query period for the request was January 1, 2000 to May 31, 2013. The package was distributed to 18 Data Partners on April 25, 2014; this report contains information from 18 Data Partners.