Table 1.
Demographics of the cohort (n = 20).
| Pre-HGT | Post-HGT | P | |
|---|---|---|---|
| Age (years) | 16.3 ± 7.6 | N/A | — |
| Traction duration (days) | 77.9 ± 13.0 | N/A | — |
| Traction weight (%) | 39.9 ± 11.1 | N/A | — |
| Height (m) | 1.37 ± 0.21 | 1.38 ± 0.21 | 0.794 |
| Weight (kg) | 33.7 ± 13.3 | 34.1 ± 13.4 | 0.612 |
| BMI (kg/m2) | 16.97 ± 3.04 | 17.18 ± 3.00 | 0.235 |
| Major coronal Cobb angle (°) | 115.3 ± 21.4 | 73.9 ± 17.8 | <0.001 |
| GK (°) | 106.9 ± 22.3 | 70.9 ± 13.9 | <0.001 |
| z-score of LS BMD | −2.2 ± 1.4 | −2.7 ± 1.5 | <0.001 |
| z-score of FN BMD | −1.5 ± 1.4 | −1.9 ± 1.5 | <0.001 |
| LS BMD (g/cm2) | 0.706 ± 0.200 | 0.654 ± 0.216 | <0.001 |
| FN BMD (g/cm2) | 0.722 ± 0.125 | 0.689 ± 0.133 | <0.001 |
“HGT” denotes the halo gravity traction.
N/A: not applicable.
“BMI” denotes body mass index.
“GK” denotes global kyphosis.
“LS” denotes lumbar spine (L2–L4).
“FN” denotes femoral neck of the nondominant side.