Abstract:METHODS:A retrospective analysis of the HealthCore Integrated Research Database (HIRD) was conducted to estimate the incidence, costs, and predictors of COPD exacerbations. The study population included CB patients aged Ն40 years with Ն2 years of continuous enrollment in the HIRD, Ն1 hospitalization/emergency department (ED) visit or Ն2 outpatient visits with CB diagnosis (ICD-9-CM 491.xx) from January 1, 2004 to May 31, 2011, and Ն2 pharmacy fills for COPD medications during the follow-up year (the first fill… Show more
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.