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The proportion of CID patients in different CID events.
Abbreviations: CID, clinically Important Deterioration; FEV1, forced expiratory volume in one second (decrease of ≥100 mL from baseline in trough FEV1); AE, acute exacerbation (a single moderate or severe exacerbation); CAT, chronic obstructive pulmonary disease (COPD) Assessment Test (deterioration ≥2 units from baseline in CAT score).
