Outcome Measure | Mean (SD) (Range) | P Value | |||
Preoperative | 6 wk | 1 y | Latest Follow-Up | ||
Visual analog scale | 6.3 (2.2) (2–10) | 4.1 (2.3) (0–9) | 3.2 (2.7) (0–8) | 2.5 (2.8) (0–6.5) | <0.05 |
Treatment intensity score | 49.8 (22.5) (0–100) | 36.9 (23.9) (0–96) | 30.4 (27.3) (0–90) | 31.4 (21.5) (0–75) | <0.05 |
Oswestry Disability Index | 43.3 (17) (0–82) | 38.2 (22.2) (0–88) | 26.9 (20.2) (0–73) | 32 (21.9) (0–84) | <0.05 |
Short Form-36 survey | 55.8 (30.4) (2–141) | 63.5 (33.3) (8–150) | 79.3 (37) (7–157) | 85.8 (43.8) (8–168) | <0.05 |
Scoliosis Research Society 22-item survey | 2.86 (0.6) (1.2–4.5) | 3.3 (0.8) (1.4–4.5) | 3.8 (0.8) (1.8–4.9) | 3.7 (0.8) (2.1–5) | <0.05 |
Note: P values reflect difference between preoperative and last follow-up values.