Table 2.

Volumetric bone mineral density (vBMD) for trabecular and central regions of the thoracic vertebrae 8 (T8) and 9 (T9). Data are given as mean ± standard deviation

	Calibrated	Non-calibrated
T8 vBMD (mg/cc)
Trabecular	163.57 ± 28.58†	157.94 ± 27.55‡
Central	169.36 ± 38.90†	161.95 ± 37.48‡
T9 vBMD (mg/cc)
Trabecular	167.19 ± 30.21*	161.57 ± 28.97**
Central	173.18 ± 40.22*	165.40 ± 37.84**

^*n = 111;

^†n = 110;

^‡n = 106;

^**n = 107