Table 2.
Proportions of patients with nerve injuries by Letournel fracture types
| Fracture type | Anterior column | Anterior wall | Posterior column | Posterior wall | Transverse | T-type | Transverse + posterior wall | Posterior column + posterior wall | Anterior column + posterior hemitransverse | Both columns | Unknown/not classifiable | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number (%) | 413 (20) | 112 (6) | 85 (4) | 314 (16) | 132 (7) | 111 (6) | 117 (6) | 63 (3) | 352 (17) | 327 (16) | 46 (2) | 2073 (100) |
| NI at admission (%) | 4 (1) | – | 6 (7) | 24 (8) | 5 (4) | 7 (6) | 7 (6) | 9 (14) | 4 (1) | 9 (3) | 1 (2) | 76 (4) |
| Persisted until discharge (%) | 3 (0.7) | – | 6 (7) | 22 (7) | 5 (4) | 4 (4) | 6 (5) | 8 (13)* | 4 (1) | 7 (2) | – | 65 (3)* |
| Resolved until discharge (%) | 1 (0.2) | – | – | 2 (0.6) | – | 3 (3) | 1 (0.9) | 1 (2) | – | 2 (0.6) | 1 (2) | 11 (0.5) |
| Intervention-related NI (%) | 1 (0.5) | 1 (6) | – | 6 (3) | 1 (2) | 3 (4) | 3 (3) | 2 (4) | 5 (2) | 5 (2) | – | 27 (2) |
| Persisted until discharge (%) | 1 (0.5) | 1 (6) | – | 6 (3) | 1 (2) | 3 (4) | 2 (2) | 2 (4)* | 4 (2) | 4 (2) | – | 24 (2)* |
| Resolved until discharge (%) | – | – | – | – | – | – | 1 (0.9) | – | 1 (0.3) | 1 (0.3) | – | 3 |
| Other hospital-acquired NI (%) | 2 (0.5) | 1 (0.9) | – | 7 (2) | 2 (2) | 3 (3) | 7 (6) | 2 (3) | 6 (2) | 12 (4) | 4 (9) | 46 (2) |
| NI at discharge (%) | 6 (2) | 2 (2) | 6 (7) | 35 (11) | 8 (6) | 10 (9) | 15 (13) | 11 (18) | 14 (4) | 23 (7) | 4 (9) | 134 (7) |
The proportions of the intervention-related nerve injuries were calculated based on the number of surgically treated cases (n = 1395); *there was one patient who had both a nerve injury at admission and an intervention-related nerve injury; NI = nerve injury.