Table 2.
Factors influencing the three-dimensional kinematics
| Factor | Number of patients | d-R (mm) | p value | d-S (mm) | p value | d-C (mm) | p value |
|---|---|---|---|---|---|---|---|
| Monteggia type | |||||||
| Type 1 | 7 | 2.4 ± 0.9 | 0.02 | 2.8 ± 2.0 | 0.02 | 3.4 ± 2.4 | 0.57 |
| Type 4 | 3 | 6.2 ± 1.0 | 10.2 ± 1.8 | 4.7 ± 3.4 | |||
| Age at examination | |||||||
| ≥ 12 years | 6 | 3.4 ± 2.3 | 0.67 | 5.4 ± 4.0 | 0.92 | 4.0 ± 2.5 | 0.67 |
| < 12 years | 4 | 3.8 ± 1.8 | 4.5 ± 4.5 | 3.6 ± 3.2 | |||
| Time from injury to examination | |||||||
| ≥ 3 years | 6 | 2.6 ± 1.0 | 0.13 | 2.7 ± 2.2 | 0.03 | 3.6 ± 2.5 | 1.00 |
| < 3 years | 4 | 5.1 ± 2.4 | 8.5 ± 3.7 | 4.1 ± 3.1 | |||
Values are expressed as mean ± SD; d-R = distance from the center of the radial head to the mean axis of rotation; d-S = distance of sagittal translation of the center of the radial head; d-C = distance of coronal translation of the center of the radial head.