Table 1.
Demographics, fracture patterns, and trauma severity of the cohort
Overall N = 44 (%) |
Masquelet N = 17 (%) |
Vascularized bone N = 27 (%) |
p-value | |
---|---|---|---|---|
Age (mean ± SD) | 37.41 ± 15.43 | 43.71 ± 16.37 | 33.44 ± 13.65 | 0.03 |
Sex | 0.473 | |||
Female | 10 (22.7%) | 5 (29.4%) | 5 (18.5%) | |
Male | 34 (77.3%) | 12 (70.6%) | 22 (81.5%) | |
BMI (mean ± SD) | 25.32 ± 4.40 | 25.88 ± 3.86 | 24.94 ± 4.77 | 0.487 |
Fracture type | 0.521 | |||
IIIA | 4 (9.1%) | 2 (11.8%) | 2 (7.4%) | |
IIIB | 23 (52.3%) | 7 (41.2%) | 16 (59.3%) | |
IIIC | 17 (38.6%) | 8 (47.1%) | 9 (33.3%) | |
Fracture site | 0.577 | |||
Proximal metaphysis | 10 (22.7%) | 3 (17.6%) | 7 (25.9%) | |
Diaphysis | 20 (45.5%) | 7 (41.2%) | 13 (48.1%) | |
Distal metaphysis | 14 (31.8%) | 7 (41.2%) | 7 (25.9%) | |
Bone gap (mean ± SD) | 74.83 ± 42.67 | 51.16 ± 16.23 | 94.94 ± 47.97 | 0.001 |
With Fibula | 42 (95.5%) | 17 (100.0%) | 25 (92.6%) | 0.515 |
Vascular or nerve injury | 18 (40.9%) | 9 (52.9%) | 9 (33.3%) | 0.255 |
MESS (mean ± SD) | 4.50 ± 1.41 | 4.94 ± 1.20 | 4.22 ± 1.48 | 0.099 |
AOIO* | 0.102 | |||
3 | 17 (38.6%) | 4 (23.5%) | 13 (48.1%) | |
4 | 27 (61.4%) | 13 (76.5%) | 14 (51.9%) | |
AOMT* | 0.431 | |||
3 | 15 (34.1%) | 7 (41.2%) | 8 (29.6%) | |
4 | 29 (65.9%) | 10 (58.8%) | 19 (70.4%) | |
AONV* | 0.244 | |||
1 | 23 (52.3%) | 7 (41.2%) | 16 (59.3%) | |
2 | 2 (4.5%) | 0 (0.0%) | 2 (7.4%) | |
3 | 19 (43.2%) | 10 (58.8%) | 9 (33.3%) | |
ISS > 16 | 7 (15.9%) | 3 (17.6%) | 4 (14.8%) | 0.863 |
DM** | 2 (4.5%) | 1 (5.9%) | 1 (3.7%) | 0.736 |
HTN*** | 2 (4.5%) | 1 (5.9%) | 1 (3.7%) | 0.736 |
Smoking | 20 (45.5%) | 6 (35.3%) | 14 (51.9%) | 0.283 |
Infection before surgery | 26 (59.1%) | 11 (64.7%) | 15 (55.6%) | 0.548 |
*AOIO: AO soft-tissue grading system of open skin injury; AOMT: AO soft-tissue grading system of muscle/tendon injury; AONV: AO soft-tissue grading system of neurovascular injury; BMI: body mass index; **DM: diabetes mellitus; ***HTN: hypertension; ISS: Injury Severity Score; MESS: Mangled Extremity Severity Score; SD: standard deviation