Table 3.

ROC curves for maternal serum CRP levels for predicting preterm delivery and SGA

Variables	Surface under area	P-value	CI 95%
		Lower limit	Upper limit
Preterm	0.836	$<$ 0.01	0.693	0.980
SGA	0.673	0.15	0.441	0.905
ROC: Receiver operating characteristic; CRP: C-reactive protein; SGA: Small for gestational age; CI: Confidence interval