Table 2.
Patient demographics
| MCGR (N = 14) | SDS (N = 18) | p value | |
|---|---|---|---|
| Male | 5/14 | 10/18 | 0.266 |
| Age at surgery (years) | 7.9 ± 1.6 | 8.4 ± 1.9 | 0.436 |
| EOS aetiology | 0.585 | ||
| Idiopathic | 4 | 3 | |
| Congenital | 3 | 4 | |
| Syndromic | 3 | 2 | |
| Neuromuscular | 4 | 9 | |
| BMI (kg/m2)a | 16.8 ± 3.1 | 15.9 ± 2.6 | 0.380 |
| Surgery time (minutes)a | 203 ± 73 | 221 ± 51 | 0.418 |
| Time to discharge (days)a | 7.8 ± 3.4 | 8.3 ± 10.0 | 0.845 |
| Follow-up (years) | 4.1 ± 1.6 | 3.0 ± 0.4 | 0.025 |
| Cobb angle (°) | |||
| Pre-operatively | 70.3 ± 20.9 | 66.2 ± 13.6 | 0.507 |
| Post-operatively | 39.6 ± 19.5 | 34.3 ± 13.0 | 0.364 |
| Latest follow-up | 53.5 ± 18.6 | 39.8 ± 15.1 | 0.029 |
| Pelvic fixationa | 1/14 | 7/18 | 0.040 |
| Implant configurationa | 0.467 | ||
| Unilateral concave distraction only | 0 | 1 | |
| Unilateral concave distraction + convex sliding rod | 11 | 11 | |
| Bilateral distraction | 3 | 6 | |
| Rod diametera | < 0.001 | ||
| 4.5 mm | 4 | 18 | |
| 5.5 mm | 10 | 0 |
EOS Early Onset Scoliosis, BMI Body Mass Index
aMeasurements associated with the initial surgery