Table 2.
Predicted syndesmotic injury (n) in acute ankle fractures, classified on radiographs according to Weber and AO-Müller and additional measurements, compared with syndesmotic injury on MRI
| Webera | Syndesmotic injury (MRI)b | AO-Müllera | Syndesmotic injury (MRI)b | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 3 | 0 | 1 | 3 | ||||
| A | 0 | 9 | 2 | 0 | 44A | 0 | 9 | 2 | 0 |
| 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| B | 0 | 0 | 3 | 7 | 44B | 0 | 0 | 3 | 5 |
| 1 | 0 | 8 | 5 | 1 | 0 | 7 | 5 | ||
| C | 0 | 0 | 3 | 3 | 44C | 0 | 0 | 3 | 1 |
| 1 | 0 | 0 | 5 | 1 | 0 | 0 | 5 | ||
| nc | 0 | 4 | 1 | 1 | nc | 0 | 4 | 1 | 5 |
| 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | ||
aAssociated measurements on radiographs: 0 normal, 1 deviated
bSyndesmotic injury on MRI: 0 no injury, 1 anterior syndesmotic injury, 3 anterior and posterior syndesmotic injury