[Retracted] Prognostic Role of Biomarkers for Pulmonary Arterial Hypertension Associated with Bronchopulmonary Dysplasia in Extremely Premature Infants

Table 4

Cut off value determination for uric acid and bun to discriminate BPD-PAH.

Variable	AUC	Sensitivity	Specificity	Youden’s index	Cut of value
BUN (mmol/L)	0.682	0.905	0.84	0.444	9.9
Uric acid (mol/L)	0.957	0.857	0.92	0.777	397.0