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A: BODEx and BODEx-A3, B: ADO and ADO-A3, values BODEx vs. BODEx-A3, p=0.001; ADO vs. ADO-A3, p=0.038
ROC: receiver operating characteristic, AUC: area under the curve, BODEx: body mass index, airflow obstruction, dyspnea, and exacerbation, ADO: age, dyspnea severity, and airflow obstruction
