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ROC curves of our model, DOSE index, ADO index, and GOLD risk assessment criterion (history of ≥1 exacerbation leading to hospitalization in the previous year) for identifying high-risk patients.
Abbreviations: ADO, age, dyspnea, and obstruction; DOSE, dyspnea, obstruction, smoking, and exacerbation; GOLD, Global Initiative for Chronic Obstructive Lung Disease; ROC, receiver operating characteristics.
