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Emergency room visits and hospitalizations due to chronic obstructive pulmonary disease exacerbations in past 12 months.
Notes: Calculated from response to the questions, “In the past 12 months, did any of these episodes (worsening of your breathing problems) require an emergency room visit?” and “In the past 12 months, did any of these episodes (worsening of your breathing problems) require hospitalization?”
Abbreviations: NL, Netherlands; SK, South Korea.
