Table 2 Trajectory angles in each of the Lauge-Hansen classification-based posterior malleolar fracture types
Fracture type | Number (%) of cases | Mean TA (range) (°) |
|---|---|---|
Pronation abduction injury—type II | 5 (5.9%) | 18.4 (5.4–22.7) |
Pronation abduction injury—type III | 20 (23.5%) | 19.4 (3.5–30.9) |
Pronation lateral rotation injury—type IV | 13 (15.3%) | 20.7 (10.8–31.7) |
Supination abduction injury—type II | 1 (1.2%) | 3 |
Supination lateral rotation injury—type III | 8 (9.4%) | 17.7 (2.1–22.9) |
Supination lateral rotation injury—type IV | 32 (37.6%) | 18.1 (2.1–26.7) |
Isolated posterior lip injury | 6 (7.1%) | 16.3 (4.4–22.3) |