Table 2.
Comparison of outcomes
| Variables | S group | L group | p value |
|---|---|---|---|
| LBP score (0–100) | |||
| Pre | 80 [65–90] | 80 [60–90] | 0.62 |
| Final | 30 [10–50] | 28 [10–50] | 0.88 |
| LEP score (0–100) | |||
| Pre | 50 [10–70] | 50 [15–80] | 0.54 |
| Final | 10 [0–30] | 10 [0–30] | 0.10 |
| JOA score (0–15) | |||
| Pre | 6 [3–7] | 4 [1–6] | < 0.01** |
| Final | 10 [8–12] | 10 [6–12] | 0.67 |
| Recovery rate | 50.0 [28.6–67.3] | 50.0 [24.5–73.3] | 0.62 |
| Walking ability (1–4) | |||
| Pre (%) | |||
| 1 | 8.1 | 2.2 | 0.41 |
| 2 | 11.5 | 4.3 | |
| 3 | 24.1 | 34.8 | |
| 4 | 56.3 | 58.7 | |
| Final (%) | |||
| 1 | 40.2 | 34.8 | 0.35 |
| 2 | 31.0 | 23.9 | |
| 3 | 19.5 | 34.8 | |
| 4 | 9.2 | 6.5 | |
| Correction angle (°) | 12 [7–19] | 16 [7–23] | 0.14 |
| Correction loss (°) | 9 [4–13] | 4 [0–10] | < 0.01** |
Continuous variables are shown as median [IQR: 25–75%]
** p < 0.01
Abbreviations: LBP, low back pain; LEP, lower extremity pain; JOA, Japanese Orthopaedic Association