Table 1 Characteristics of the population at the beginning of the treatment by CMCR brace and at the definitive brace removal
Variable | Group at the beginning of treatment | Group at the definitive brace removal | ||
|---|---|---|---|---|
Gender | Girls | 87 (97%) | Girls | 87 (97%) |
Boys | 3 (3%) | Boys | 3 (3%) | |
Mean age | Girls | 13 years | Girls | 15 years 10 months |
Boys | 13 years 4 months | Boys | 15 years 8 months | |
Curvative type | Double-major | 67 (74.4%) | Double-major | 67 (77.0%) |
Lumbar | 3 (3.3%) | Lumbar | - | |
Thoracic | 7 (7.8%) | Thoracic | 7 (8.0%) | |
Thoraco- lumbar | 13 (14.4%) | Thoraco-lumbar | 13 (14.9%) | |
Cobb angle | Double-major | 20.9° 20,0° | Double-major | 20.6° 16.9° |
Thoracic | 20.3° | Thoracic | 17.3° | |
Thoraco- lumbar | 24.1° | Thoraco- lumbar | 21.5° | |
Skeletal Maturity | Risser 0 | 33 (36.7%) | Achieved | |
Risser 1 | 15 (16.7%) | |||
Risser 2 | 21 (23.3%) | |||
Risser 3 | 14 (15.6%) | |||
Risser 4 | 7 (7.8%) | |||
Theoretical VC | Girls | 3.2 litres | Girls | 3.6 litres |
Boys | 4.1 litres | Boys | 4.5 litres | |
FVC | Girls | 2.3 litres | Girls | 2.7 litres |
Boys | 2.9 litres | Boys | 4 litres | |