Figure 1. ROC curve and AUC of multidimensional indices for predicting one-year mortality.

A: BODEx and BODEx-A3, B: ADO and ADO-A3

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