Fig. 2From: FVC/DLCO identifies pulmonary hypertension and predicts 5-year all-cause mortality in patients with COPDROC curve for FVC/DLCO as related to COPD with pulmonary hypertension in study population I. The cut-point of FVC/DLCO value was 0.44Â l/mmol/min/kPa. ROC: receiver operating characteristicBack to article page