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aAdherent, proportion of days covered (PDC) ≥0.8; mildly nonadherent, 0.5 ≤ PDC <0.8; moderately nonadherent, 0.3 ≤ PDC <0.5; highly nonadherent, PDC <0.3.
COPD indicates chronic obstructive pulmonary disease; LABA, long-acting ß2-adrenergic agonist; SABA, short-acting ß2-adrenergic agonist; SAMA, short-acting muscarinic antagonist.
