Table 1.
Comparison of mean ± SE percent change in BMD from baseline to final in BMD (gm/cm2) between two groups. A two-sided significance level of 0.05 is used for a two-sample t-test.
| Placebo | Zoledronic acid | P-value | ||
|---|---|---|---|---|
| L1-L4 vertebrae | N | 14 | 16 | .003 |
| Baseline | 0.946 (0.052) | 0.928 (0.030) | ||
| Final | 0.944 (0.042) | 1.000 (0.031) | ||
| Mean % change | +0.82 (1.7) | +7.93 (1.4) | ||
|
| ||||
| Left total hip | N | 13 | 16 | .278 |
| Baseline | 0.888 (0.027) | 0.868 (0.023) | ||
| Final | 0.893 (0.024) | 0.889 (0.029) | ||
| Mean % change | +0.71 (1.1) | +2.27 (0.92) | ||
|
| ||||
| Left femoral neck | N | 13 | 16 | .009 |
| Baseline | 0.718 (0.019) | 0.690 (0.029) | ||
| Final | 0.713 (0.017) | 0.724 (0.030) | ||
| Mean % change | −0.48 (1.4) | +5.05 (1.4) | ||