Table 3.

Multivariable regression analysis assessing effect of demographic, anthropometric and maternal parameters on the mean combined kidney volume of newborns

Variables	Regression co-efficient	P- value	95% Confidence Interval
Small for gestational age	-1.57	0.001	-2.49 - -0.65
Gender	0.60	0.09	-0.10 - 1.31
Gestational age	0.23	0.04	0.01 - 0.44
Hours of postnatal life	0.01	0.05	0.00 - .027
Crown-heel length	0.56	<0.001	0.39 - 0.74

Model R square=0.441