Table 1.

aBMD and vBMD Measurements of the Whole Cohort and Each Group Separately

	All subjects (n = 93)	Osteoporosis (n 1 = 18)	Osteopenia (n 2 = 59)	Normal (n 3 = 16)
DXA aBMD (g/cm2)
Femoral neck	0.64 ± 0.09	0.53 ± 0.04	0.64 ± 0.05	0.77 ± 0.05
Total hip	0.79 ± 0.10	0.66 ± 0.05	0.79 ± 0.07	0.92 ± 0.07
L3 vertebra	0.88 ± 0.15	0.75 ± 0.11	0.88 ± 0.13	1.03 ± 0.11
Total body	0.96 ± 0.08	0.88 ± 0.04	0.97 ± 0.07	1.05 ± 0.07
QCT aBMD (g/cm2)
Femoral neck a
Whole	0.68 ± 0.11	0.57 ± 0.08	0.68 ± 0.07	0.80 ± 0.11
Cortical	0.44 ± 0.10	0.35 ± 0.08	0.43 ± 0.06	0.54 ± 0.13
Trabecular	0.24 ± 0.04	0.22 ± 0.04	0.24 ± 0.03	0.25 ± 0.04
Total hip a
Whole	0.74 ± 0.11	0.61 ± 0.06	0.74 ± 0.08	0.87 ± 0.08
Cortical	0.45 ± 0.10	0.35 ± 0.05	0.45 ± 0.08	0.56 ± 0.10
Trabecular	0.28 ± 0.03	0.26 ± 0.03	0.29 ± 0.03	0.31 ± 0.03
QCT vBMD (g/cm3)
Femoral neck a
Whole	309.06 ± 50.27	256.96 ± 38.81	309.07 ± 30.65	364.38 ± 61.27
Cortical	986.15 ± 110.29	1090.31 ± 128.97	976.12 ± 94.50	912.45 ± 55.10
Trabecular	137.79 ± 19.58	116.81 ± 14.80	138.62 ± 15.24	157.01 ± 17.28
Cortical to total volume ratio	0.21 ± 0.06	0.15 ± 0.05	0.21 ± 0.04	0.28 ± 0.08
Total hip a
Whole	275.36 ± 52.01	232.67 ± 29.77	274.49 ± 47.90	323.94 ± 44.81
Cortical	923.75 ± 78.03	991.04 ± 79.52	915.84 ± 74.99	881.43 ± 34.09
Trabecular	132.42 ± 17.51	113.97 ± 11.91	132.88 ± 14.09	150.31 ± 14.61
Cortical to total volume ratio	0.19 ± 0.05	0.14 ± 0.04	0.19 ± 0.04	0.24 ± 0.06
L3 vertebra b
Trabecular	105.95 ± 25.38	85.89 ± 18.62	105.68 ± 23.84	129.54 ± 16.82

aBMD = Areal bone mineral density; vBMD = volumetric bone mineral density.

^a n = 93.

^b n = 92.