Characteristics | Typical group (n = 19) | Untypical group (n = 22) | P value |
---|---|---|---|
Mean age (range), years | 42.05 ± 12.74 (21–67) | 42.82 ± 14.26 (20–60) | 0.858 |
Male/female | 14/5 | 15/7 | 0.699 |
Causes of injury, n (%) | 0.006 | ||
Traffic accidents | 7 (36.8) | 4 (18.2) | |
Sprain | 1 (5.3) | 2 (9.1) | |
Falling down | 2 (10.5) | 14 (63.6) | |
Crashes by heavy object | 1 (5.3) | 0 | |
Falling from a height | 8 (42.1) | 2 (9.1) | |
Affected side, n (%) | 0.097 | ||
Left | 10 (52.6) | 6 (27.3) | |
Right | 9 (47.4) | 16 (72.7) | |
Open fracture, n (%) | 12 (63.1) | 4 (18.2) | 0.003 |
II | 2 (10.5) | 4 (18.2) | |
IIIA | 10 (52.6) | 0 | |
Polytrauma, n (%) | 6 (31.6) | 2 (9.1) | 0.070 |
AO/OTA typing, n (%) | 0.745 | ||
44A | 2 (10.5) | 1 (4.6) | |
44B | 2 (10.5) | 3 (13.6) | |
44C | 15 (79.0) | 18 (81.8) | |
Lauge-Hansen typing | 0.215 | ||
Pronation-external rotation (PER) | 10 | 6 | |
Pronation abduction (PA) | 7 | 14 | |
Supination-external rotation (SER) | 1 | 2 | |
Supination-adduction (SA) | 1 | 0 | |
Denis-Weber classificationa, n (%) | 0.247 | ||
Type A | 1 (5.3) | 0 | |
Type B | 4 (21.0) | 2 (9.1) | |
Type C | 14 (73.7) | 20 (90.9) | |
Preoperative tibiofibular width, mm | 17.24 ± 3.30 | 9.69 ± 2.55 | <0.001 |
Associated injuries, n (%) | |||
Distal tibiofibular syndesmotic injury | 19 (100) | 10 (45.5) | <0.001 |
Triangular ligament injury | 9 (47.4) | 9 (40.9) | 0.678 |
Fibula fracture | 18 (94.7) | 22 (100) | 0.276 |
Medial malleolus fracture | 14 (73.7) | 15 (68.2) | 0.699 |
Tibial plafond injury | 7 (36.8) | 3 (13.6) | 0.084 |