Table 2 Patient characteristics and univariate analysis of clinical factors associated with bar displacement
Variable | All (N = 61) | Group A (N = 54) | Group B (N = 7) | P |
|---|---|---|---|---|
Age | 15.1 + 8.6 | 14.0 + 7.5 | 23.3 ± 12.0 | 0.0062 |
Sex | 0.5856 | |||
Male | 54 | 47 | 7 | |
Female | 7 | 7 | 0 | |
BMI | 18.4 + 2.8 | 18.2 ± 2.8 | 19.5 ± 2.4 | 0.2582 |
Height | 1.5 + 0.3 | 1.5 ± 0.3 | 1.6 ± 0.3 | 0.4543 |
Weight | 46.8 + 18.6 | 46.0 ± 18.9 | 53.3 ± 16.4 | 0.3361 |
HI | ||||
Pre- HI | 4.1 + 12 | 4.0 ± 1.1 | 5.0 ± 1.0 | 0.033 |
Post- HI | 2.7 + 0.4 | 2.7 ± 0.4 | 3.2 ± 0.5 | 0.0006 |
Diff- HI | 1.4 + 1.1 | 1.3 ± 1.1 | 1.7 ± 1.0 | 0.3175 |
Type | 0.4288 | |||
Symmetric | 32 | 27 | 5 | |
Asymmetric | 29 | 27 | 2 | |
No. of inserted bar | 0.2414 | |||
1 | 32 | 30 | 2 | |
2 | 29 | 24 | 5 |