Within-group analysis for the visual analogue scale (VAS) and Oswestry Disability Index (ODI)
| VAS | ODI | |
|---|---|---|
| Control group | ||
| Baseline (n=5) | 59 (0–69) | 54 (12–64) |
| Last observation | 70 (40–83) | 64 (30–74) |
| Test statistic | Z=−1.625 | Z=−2.032 |
| p Value | 0.188 | 0.063 |
| Intervention group | ||
| Baseline (n=10) | 49.5 (10–64) | 55.85 (42–72) |
| Last observation | 77.5 (57–100) | 68 (48–84) |
| Test statistic | Z=−2.805 | Z=−2.201 |
| p Value | 0.002 | 0.027 |
Median (minimum–maximum); variables were analysed using the Wilcoxon test (Exact sig. (2-tailed)).