Table 2 BMD, annual change of BMD, and a total change of BMD in the two groups
Group 1 (osteoporosis) | Group 2 (osteoporosis + LSS) | P-value | |
|---|---|---|---|
BMD | |||
Initial | -3.71 ± 0.49 | -3.80 ± 0.77 | 0.388 |
at 1-year F/U | -3.39 ± 0.42 | -3.58 ± 0.76 | 0.045 |
at 2-year F/U | -3.27 ± 0.48 | -3.49 ± 0.75 | 0.034 |
at 3-year F/U | -3.13 ± 0.45 | -3.45 ± 0.80 | 0.003 |
Annual change of BMD | |||
at 1-year F/U | 0.32 ± 0.29 | 0.21 ± 0.34 | 0.036 |
at 2-year F/U | 0.12 ± 0.28 | 0.09 ± 0.44 | 0.702 |
at 3-year F/U | 0.14 ± 0.25 | 0.04 ± 0.41 | 0.069 |
Total change of BMD | 0.57 ± 0.41 | 0.35 ± 0.50 | 0.002 |