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

Table 2

Biochemical markers features in 234 EPIs based on BPD-PAH.

Variables	Infants without BPD-PAH ()	Infants with BPD-PAH ()
ALT (U/L)	8.0 (6.0, 8.0)	8.0 (7.0, 9.5)	-1.857	0.063
AST (U/L)	30.0 (21.0, 75.0)	55.0 (26.5, 75.0)	-1.125	0.261
BUN (mmol/L)	9.7 (2.0, 13.7)	11.6 (10.3, 13.4)	-2.761	0.006
UC (mol/L)	249.0 (120.5, 335.5)	482.0 (403.0, 567.0)	-6.902	≤0.001
Scr (mol/L)	73.0 (53.0, 114.5)	93.0 (47.0, 121.0)	-1.415	0.157

Values in median (IQR). The test was carried out in 7 days postbirth. ALT: alanine aminotransferase; AST: aspartate aminotransferase; BUN: blood urea nitrogen; UC: uric acid; Scr: serum creatinine.