Table A2.
Outcomes at follow-up day 21.
| Control (n = 49) |
Intervention (n = 37) |
p-Value | |
|---|---|---|---|
| Missing values | 1 | 3 | |
| Oswestry Disability Index, median [IQR] | 6.5 [1.00, 19.25] | 8.5 [2.25, 17.5] | 0.858 |
| Oswestry Disability Index categories, n (%) | 0.713 | ||
| No disability (ODI 0–4) | 18 (40.0) | 13 (39.4) | |
| Mild disability (ODI 5–14) | 19 (42.2) | 17 (51.5) | |
| Moderate disability (ODI 15–24) | 6 (13.3) | 2 (6.1) | |
| Severe disability (ODI 25–34) | 1 (2.2) | 1 (3) | |
| Completely disabled (ODI 35–50) | 1 (2.2) | 0 | |
| Pain on NRS, median [IQR] | 2.00 [0.00, 4.00] | 2.00 [0.00, 4.00] | 0.721 |
| Pain medication use, n (%) | 16 (33.3) | 11 (32.4) | 0.690 |
| Duration in days of painkillers intake, mean {SD} | 7.52 {5.25} | 9.17 {5.13} | 0.252 |
| Returned to work, n (%) | 38 (79.2) | 25 (73.5) | 0.661 |
Data are reported as median [interquartile range], n (%) or mean {standard deviation}. p-values were calculated using a significance level (alpha) of 0.05. Abbreviations: ODI = Oswestry Disability Index, NRS = numeric rating scale.