This article supports the use of the chronic obstructive pulmonary disease (COPD) treatment ratio as a surrogate marker of COPD exacerbation risk for quality measurement purposes. Objectives: Despite ...
Chronic obstructive pulmonary disease (COPD), a condition that affects more than 14 million U.S. adults, is marked by damage to the airways. It typically refers to emphysema and chronic bronchitis.
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