Table 2 Demographics, injury characteristics and clinical and radiographic factors of the 265 study patients with 269 tibial plateau fractures
ACS absent, N = 241 (89.6%) | ACS present, N = 28 (10.4%) | |
|---|---|---|
Age (years) | 49.6 ± 18.2 (16.8–92.2) | 40.9 ± 15.5 (17.7–75.9) |
Male sex | 134 (55.6%) | 23 (82.1%) |
Mechanism other than fall from own height | 186 (77.2%) | 26 (92.9%) |
Open fracturea | 17 (7.1%) | 6 (21.4%) |
Associated skeletal lesion | ||
non-contiguous tibia fracture | 1 (0.4%) | 3 (10.7%) |
knee dislocation | 1 (0.4%) | 1 (3.6%) |
Schatzker classification | ||
type I | 21 (8.7%) | 2 (7.1%) |
type II | 76 (31.5%) | 4 (14.3%) |
type III | 40 (16.6%) | 0 |
type IV | 35 (14.5%) | 0 |
type V | 44 (18.3%) | 9 (32.1%) |
type VI | 25 (10.4%) | 13 (46.4%) |
AO/OTA classification | ||
41-B1 | 42 (17.4%) | 2 (7.1%) |
41-B2 | 41 (17.0%) | 0 |
41-B3 | 89 (36.9%) | 4 (14.3%) |
41-C1 | 19 (7.9%) | 3 (13.6%) |
41-C2 | 8 (3.3%) | 6 (21.4%) |
41-C3 | 42 (17.4%) | 13 (46.4%) |
TWR | 0.99 ± 0.06 (0.89–1.47) | 1.01 ± 0.07 (0.9–1.19) |
FDR | 0.07 ± 0.05 (0–0.32) | 0.09 ± 0.05 (0–0.2) |
Medial anatomical axis displacement | 19 (7.9%) | 5 (17.9%) |