Table 5. Correlation of birth weight with foot length and kidney dimensions.

Sr No	Correlation variables	r-value	R2	Regression equation	p-value
1	Birth Weight vs. Right Foot Length	0.6962	0.5714	y = 55.609+0.0072x	<0.001**
2	Birth Weight vs. Left Foot Length	0.6923	0.5767	y = 55.762+0.0072x	<0.001**
3	Birth Weight Vs. Right Kidney Length	0.3508	0.1349	y = 31.383 +0.003x	<0.001**
4	Birth Weight Vs. Left Kidney Length	0.3634	0.1491	y =31.197+0.0031x	<0.001**
5	Birth Weight Vs. Right Kidney Breadth	0.3699	0.1534	y = 13.455+0.002x	<0.001**
6	Birth Weight Vs. Left Kidney breadth	0.3699	0.1754	y = 13.372+0.0021x	<0.001**
7	Birth Weight Vs. Right Kidney Area	0.4030	0.1796	y = 391.71+0.1328x	<0.001**
8	Birth Weight Vs. Left Kidney Area	0.4153	0.2039	y =378.27+0.1429x	<0.001**
Note: **p<0.001 is highly significant