Figure 2.

Emergency room visits and hospitalizations due to COPD exacerbations: Continuing to Confront COPD International Patient Survey.

Notes: Adapted with permission of Dove Medical Press Ltd, from Continuing to Confront COPD International Patient Survey: methods, COPD prevalence, and disease burden in 2012–2013, Landis SH, Muellerova H, Mannino DM, et al, Volume 9, Copyright 2006; permission conveyed through Copyright Clearance Center, Inc.⁴¹ Calculated from response to the questions “In the past 12 months, did any of these episodes (worsening of your breathing problems) require an ER visit?” and “In the past 12 months, did any of these episodes (worsening of your breathing problems) require hospitalization?”