. Author manuscript; available in PMC: 2016 Nov 9.

Published in final edited form as: Osteoporos Int. 2009 Oct 3;21(7):1277–1285. doi: 10.1007/s00198-009-1077-9

Table 2.

Baseline QCT measurements

Bone measurement	Zoledronic acid	Placebo
Spine	(n=120)	(n=110)
Spine BMD
Single slice integral, g/cm³	0.145±0.027	0.142±0.032
AP view: DXA-like vertebrae, g/cm³	0.158±0.027	0.156±0.031
Lateral view DXA-like vertebrae, g/cm³	0.121±0.026	0.114±0.024
Total vertebrae trabecular bone, g/cm³	0.071±0.023	0.062±0.023^*
Hip	(n=121)	(n=111)
Femoral neck BMD
Integral, g/cm³	0.207±0.030	0.202±0.031
Trabecular, g/cm³	0.030±0.031	0.022±0.027^*
Cortical, g/cm³	0.473±0.034	0.476±0.033
Trochanter BMD
Integral, g/cm³	0.190±0.030	0.182±0.031^*
Trabecular, g/cm³	0.066±0.025	0.060±0.025^*
Cortical, g/cm³	0.463±0.030	0.457±0.031
Total hip BMD
Integral, g/cm³	0.193±0.029	0.185±0.030^*
Trabecular, g/cm³	0.063±0.024	0.057±0.023^*
Cortical, g/cm³	0.457±0.028	0.453±0.029
Cortical volume measurements	(n=121)	(n=111)
Femoral neck cortical bone volume, cm³	4.96±1.17	4.98±1.34
Trochanter cortical bone volume, cm³	18.10±4.74	18.20±5.23
Total hip cortical bone volume, cm³	24.36±6.00 (n=120)	24.53±6.81 (n=109)
Strength indices	(n=121)	(n=111)
MNCS, cm	9.65±1.33	9.84±1.56
MXCS, cm	27.06±3.87	27.69±4.05
Femoral neck BSI	202187±441190	215660±521461
Femoral neck CSI	0.42±0.12 (n=120)	0.41±0.11 (n=109)
Trochanter CSI	1.01±0.32 (n=120)	0.95±0.33 (n=109)

Data are presented as mean ± SD

BSI bending/torsion strength index, CSI compression strength index

p<0.05 vs zoledronic acid group