Neonatal heavy metals levels are associated with the severity of neonatal respiratory distress syndrome: a case–control study

Table 4 Roc analysis for the studied variables and their ability to differentiate neonates with NRDS from healthy neonates

Item	AUC	Cut-off point	Sensitivity (%)	Specificity (%)
PB (μg/dl)	0.627	30.5	51	26
E-Cd (μg/dl)	0.592	3.32	43	28
N-As (μg/g dry hair)	0.647	7.35	53	35
U-Cd (μg/g creatinine)	0.556	25.5	44	26
U-As (μg/l)	0.603	213	52	35
SP-D (ng/ml)	0.728	8.82	72	15
CTnI (ng/ml)	0.745	0.054	59	17
hs-CRP (mg/l)	0.937	29	56	28

NRDS Neonatal respiratory distress syndrome, Pb Cord blood lead, E-Cd Cord erythrocytic cadmium N-As Neonatal scalp hair arsenic, U-Cd Maternal urinary cadmium, U-As Maternal urinary arsenic, SP-D Surfactant protein D, CTnI Cardiac troponin I, hs-CRP High-sensitive C-reactive protein

ISSN: 1471-2431