Table 1 Distribution of AO fracture classifications among patients with and without ulnar carpal translation (UCT)
AO classification | UCT (53 wrists) | Non–UCT (1033 wrists) | P valuea |
|---|---|---|---|
A1 | 0 | 0 | – |
A2 | 0 | 672 (65.1%) | < 0.001 |
A3 | 19 (35.8%) | 20 (1.9%) | < 0.001 |
B1 | 0 | 6 (0.6%) | 1.000 |
B2 | 0 | 27 (2.6%) | 0.395 |
B3 | 0 | 160 (15.5%) | 0.003 |
C1 | 5 (9.4%) | 93 (9.0%) | 1.000 |
C2 | 11 (20.8%) | 30 (2.9%) | < 0.001 |
C3 | 18 (34.0%) | 25 (2.4%) | < 0.001 |