Table 2. Pearson correlation between quantitative computed tomography and dual X-ray absorptiometry.

		Correlation coefficient (r)	P-value
Lumbar vertebrae
	L2	0.20	0.38
	L3	0.85	<0.01
	L4	0.63	<0.01
	L5	0.69	<0.01
	L6	0.61	<0.01
	Mean	0.66	<0.01
Femur
	Femoral neck	0.15	0.35
	Proximal diaphysis	0.43	<0.01
	Distal diaphysis	0.40	<0.01
	Mean	0.68	<0.01

DXA, dual X-ray absorptiometry; QCT, quantitative computed tomography.