Table 2: Comparison of the increase in the medial joint space between UCL and non-UCL injury on ultrasonographic and radiographic assessments.
| -
|
-
|
-
|
-
|
UCL* injury |
-
|
Non-UCL injury |
-
|
| -
|
-
|
-
|
-
|
N=14 |
-
|
N=18 |
|
| - |
Increase in the MJS* |
- |
N |
N |
- |
N |
P-value |
| Ultrasonography |
2.0 mm or more |
Yes |
5 |
2 |
- |
3 |
0.99 |
| No |
27 |
12 |
- |
15 |
- |
| Radiography |
2.0 mm or more |
Yes |
4 |
4 |
- |
0 |
0.02 |
| No |
28 |
10 |
- |
18 |
- |
* UCL (ulnar collateral ligament) injury was defined as the presence of elbow pain, difficulty throwing, and a positive result on the moving valgus stress test.
** Increase in the MJS (medial joint space) on the throwing side.