Table 1.
Results of the VAS, the ambulation scale and the ADL scale at 1 week and at 3 and 12 months
| Treatment | Pre-treament | 1 week | 3 months | 12 months |
|---|---|---|---|---|
| VAS mean ± SD (range) | ||||
| Medical therapy | 8.6 ± 0.87 (7–10) | 7.9 ± 0.67* (7–9) | 4.2 ± 1.27* (1–7) | 1.8 ± 1.14* (0–5) |
| Vertebroplasty | 8.7 ± 1.20 (6–10) | 1.1 ± 1.53*,** (0–6) | 0.9 ± 1.44*,** (0–5) | 1.1 ± 1.79* (0–5) |
| Ambulation mean ± SD (range) | ||||
| Medical therapy | 3.6 ± 0.89 (2–5) | 3.2 ± 0.81* (1–5) | 2.7 ± 0.80* (1–4) | 1.6 ± 0.62* (1–3) |
| Vertebroplasty | 3.6 ± 0.87 (3–5) | 1.2 ± 0.37*,** (1–2) | 1.2 ± 0.46*,** (1–3) | 1.4 ± 0.53* (1–3) |
| ADL mean ± SD (range) | ||||
| Medical therapy | 4.0 ± 0.75 (3–5) | 3.7 ± 0.79* (2–5) | 2.8 ± 0.78* (1–4) | 1.7 ± 0.60* (1–3) |
| Vertebroplasty | 3.9 ± 0.79 (2–5) | 1.2 ± 0.46*,** (1–3) | 1.4 ± 0.63*,** (1–3) | 1.5 ± 0.66* (1–3) |
* Significant difference with pre-treatment scores (P < 0.05; Wilcoxon signed rank test)
** Significant difference between groups (P < 0.05 Mann–Whitney U test)