Table 3.

Spearman rank order correlation between bone mineral density and speed of sound at various measurement sites.

Pair of variables	Overweight			Lean
	n	R	P value	n	R	P value
RAD & Femoral neck	21	0.15	NS	11	0.57	<0.05
RAD & Lumbar spine	21	0.32	NS	11	0.53	<0.05
TIB & Femoral neck	22	0.31	NS	9	0.07	NS
TIB & Lumbar spine	22	0.40	NS	9	-0.23	NS
PLX & Femoral neck	18	0.35	NS	11	0.39	<0.05
PLX & Lumbar spine	18	0.58	<0.05	11	0.77	<0.001

RAD = radius, TIB = tibia, PLX = phalanx