Vitamin D deficiency levels by number of patients, mean vitamin D level, mean SRS-22 pain score, and mean Cobb angle.
| 25-Hydroxyvitamin D Level (nmol/L) | No. of Patients (%) | Mean (SD) 25-Hydroxyvitamin D Level (nmol/L) | Mean SRS-22 Pain Score Domain (1–5) | Mean Cobb Angle |
| <25 | 41 (20.4%) | 19.45 (4.5) | 3.28 | 66.5° |
| 25–49 | 108 (53.7%) | 37.97 (7.2) | 3.45 | 64.2° |
| 50–75 | 41 (20.4%) | 61.93 (7.0) | 4.00 | 60.6° |
| >75 | 11 (5.5%) | 96.63 (20.2) | 4.34 | 61.2° |
SRS-22, Scoliosis Research Society-22.