Table 1 Characteristics of iatrogenic fracture comminution
Number (n = 44) | Union Within 12 months | Union rate 12 months | Union Within 24 months | Union rate 24 months | |
|---|---|---|---|---|---|
Iatrogenic comminution location | |||||
Supra-isthmus | 5 (11.4%) | 5 | 100% | 5 | 100% |
Isthmus | 26 (59.1%) | 19 | 73.1% | 22 | 84.6% |
Infra-isthmus | 13 (29.5%) | 6 | 46.2% | 9 | 69.2% |
Iatrogenic comminution side | |||||
Medial | 30 (68.2%) | 22 | 73.3% | 24 | 80.0% |
Lateral | 6 (13.6%) | 5 | 83.3% | 6 | 100% |
Anterior | 4 (9.1%) | 3 | 75.0% | 3 | 75.0% |
Posterior | 1 (2.3%) | 0 | 0% | 1 | 100% |
Long spiral or multiple fragments | 3 (6.8%) | 0 | 0% | 2 | 66.7% |
Iatrogenic comminution direction | |||||
Proximal | 26 (59.1%) | 20 | 76.9% | 22 | 84.6% |
Distal | 15 (24.1%) | 9 | 60.0% | 12 | 80.0% |
Both direction | 3 (6.8%) | 1 | 33.3% | 2 | 66.7% |
Total | 44 | 30 | 68.2% | 36 | 81.8% |