{"10":"FEV-1 of 71-80% predicted, or FEV-1/FVC of 71-80%, or DLCO (SB) 66-80% predicted.","30":"FEV-1 of 56-70%, or FEV-1/FVC of 56-70%, or DLCO (SB) 56-65%.","60":"FEV-1 of 40-55%, or FEV-1/FVC of 40-55%, or DLCO (SB) 40-55%, or maximum oxygen consumption of 15-20 ml/kg/min.","100":"FEV-1 <40%, or FEV-1/FVC <40%, or DLCO (SB) <40%, or maximum exercise capacity <15 ml/kg/min O2 consumption with cardiorespiratory limitation, or cor pulmonale, or right ventricular hypertrophy, or pulmonary hypertension, or episodes of acute respiratory failure, or requires outpatient oxygen therapy."}