Table 2. Mean and Standard Deviation (SD) of multi-modal measurements for different anatomical sites .

Modality	Site	Measurement (unit)	Mean (SD)
QCT	Tibia	Cortical vBMD (mg/cm3)	1592.48 (38.78)
		Trabecular vBMD (mg/cm3)	335.60 (79.26)
		Integral vBMD (mg/cm3)	1928.08 (95.69)
QUS	Calcaneus	SOS (m/s)	1563.92 (39.65)
		SI	103.80 (20.38)
		BUA (dB/MHz)	125.43 (14.16)
DXA	Spine	L1-L4 aBMD (g/cm2)	1.076 (0.14)
	Femur	Ward’s aBMD (g/cm2) (g/cm2)	0.666 (0.14)
		Proximal Total aBMD (g/cm2)	0.996 (0.14)
		Neck aBMD (g/cm2) (g/cm2)	0.846 (0.14)
	Forearm	UD aBMD (g/cm2)	0.487 (0.09)
		33% Distal Radius aBMD (g/cm2)	0.710 (0.08)