Clinical characteristics and predictors of pulmonary hypertension in chronic obstructive pulmonary disease at different altitudes

Table 3 Information on ROC curves for continuous Predictor of PH in COPD patients

Information on ROC curves for continuous Predictor of PH in COPD patients
	LA		HA
	TB,umol/L	BNP, pg/mL	TB,umol/L	BNP, pg/mL	FEV₁, %pred
Cut-off	8.90	130.50	17.35	42.00	48.75
Sensitivity(Sens),%	78.80	75.80	54.00	82.50	64.40
Specificity(Spec),%	47.10	71.40	81.60	57.90	70.60
AUC	0.620	0.764	0.653	0.750	0.675

Abbreviations: LA = low altitude;HA = high altitude;TB = total bilirubin;BNP = brain natriuretic peptide;FEV1 = forced expiratory volume in the first second

ISSN: 1471-2466