Table 1.
Characteristics of the two databases
| Data base | Sforzesco | ART | Alpha | |
|---|---|---|---|---|
| Total braced patients | 1758 | 302 | ||
| Gender | Females | 83.1 % | 82.8 % | NS |
| Males | 16.9 % | 17.2 % | ||
| Cobb degrees | Below 20° | 1.6 % | 3.4 % | P < 0.05 |
| 20-29° | 12.0 % | 42.7 % | ||
| 20-39° | 35.6 % | 32.9 % | ||
| 40° or more | 50.8 % | 20.9 % | ||
| European Risser | 0 | 27.2 % | 36.7 % | P < 0.05 |
| 1 | 13.8 % | 20.8 % | ||
| 2 | 18.5 % | 10.1 % | ||
| 3 | 24.7 % | 9.2 % | ||
| 4 or more | 15.9 % | 23.1 % | ||
| Age | Below 10 | 3.2 % | 3.3 % | NS |
| 10-12 | 29.2 % | 21.5 % | ||
| 13-14 | 39.1 % | 41.4 % | ||
| 15 or more | 28.5 % | 33.8 % | ||
| Curve topography | Single thoracic | 14.1 % | 37.3 % | P < 0.05 |
| Single lumbar/thoracolumbar | 10.2 % | 27.0 % | ||
| Double thoracic/thoracolumbar or lumbar | 67.9 % | 35.7 % | ||
| Others | 7.6 % | - |