Table 2 Diagnosis of avulsion fracture using ultrasonography at the first visit in relation to reference diagnosis using follow-up radiography (n = 52)
Ultrasonography at first visit | Radiography at follow-up (Reference standard) | Total | |
|---|---|---|---|
Fracture (+) | Fracture (−) |  | |
Avulsion fracture (+) | 30 | 3 | 33 |
Avulsion fracture (−) | 2 | 17 | 19 |
Total | 32 | 20 | Â |