Table 6. Comparison of the area under the curve (AUC) of the ROC Curve for the combined versus conventional Apgar scores.

Outcome	Conventional Apgar		Combined Apgar
	AUC (95%CI)	P value	AUC (95%CI)	P value
Mechanical ventilation
Very preterm	0.7 (0.56–0.84)	0.009	0.92 (0.85–0.99)	<0.001
Near term and term	0.78 (0.67–0.89)	<0.001	0.94 (0.9–0.98)	<0.001
All neonates	0.84 (0.78–0.91)	<0.001	0.96 (0.93–0.98)	<0.001
Severe hyperbilirubinemia
Very preterm	0.59 (0.44–0.74)	0.21	0.72 (0.58–0.85)	0.006
Near term and term	0.49 (0.42–0.57)	0.97	0.52 (0.44–0.6)	0.51
All neonates	0.52 (0.5–0.63)	0.02	0.58 (0.51–0.65)	0.02
IVH
Very preterm	0.58 (0.42–0.74)	0.28	0.78 (0.65–0.9)	<0.001
Near term and term	0.69 (0.57–0.8)	0.004	0.77 (0.66–0.88)	<0.001
All neonates	0.75 (0.67–0.83)	<0.001	0.83 (0.76–0.9)	<0.001
Neonatal death
Very preterm	0.69 (0.55–0.84)	0.02	0.92 (0.85–0.99)	<0.001
Near term and term	0.87 (0.76–0.98)	0.001	0.97 (0.95–0.98)	<0.001
All neonates	0.90 (0.86–0.96)	<0.001	0.97 (0.96–0.99)	<0.001

ROC: Receiver Operating Characteristic

95%CI: 95% Confidence Interval

IVH: Intraventricular Hemorrhage