| Braces per year | Less than 100 |  | More than 300 |  | Statistics |
---|---|---|---|---|---|---|
 |  | Av | Sd | Av | Sd | P |
Recommendation 1 (physician) | Years required to be a master | 1.8 | 1.0 | 3.4 | 0.9 | 0.023 |
 | Years of experience with a master | 1.3 | 0.5 | 2.6 | 1.3 | 0.060 |
 | Braces prescribed per week | 1.8 | 1.0 | 2.0 | 0.0 | 0.716 |
 | Period of brace prescription | 8.1 | 2.6 | 10.0 | 0.0 | 0.139 |
 | Scoliosis evaluated per week | 5.0 | 2.3 | 9.8 | 3.0 | 0.011 |
 | Period of scoliosis evaluation | 2.0 | 0.0 | 2.4 | 1.8 | 0.565 |
Recommendation 2 (orthotist) | Years of experience with a master | 2.9 | 0.4 | 3.8 | 1.1 | 0.058 |
 | Years of continous practice in bracing | 1.8 | 0.5 | 2.6 | 1.3 | 0.273 |
 | Braces built per week | 2.3 | 1.3 | 5.2 | 2.7 | 0.029 |
 | Period of brace building | 2.3 | 0.8 | 2.6 | 1.3 | 0.693 |