Table 3.
CT morphology comparison of γ angle, δ angle, FAR1 and FAR2 between posterior pilon fractures and posterior malleolus fractures (‾X ± S)
| Type of distal posterior tibial fracture | Posterior pilon fractures(96) | Posterior malleolus fractures(78) | t | p |
|---|---|---|---|---|
| γ angle (°) | 46.49 ± 11.29 | 39.76 ± 12.89 | −3.671 | 0.000a |
| δ angle (°) | 75.03 ± 8.73 | 72.03 ± 12.51 | −1.795 | 0.075 |
| FAR1 (%) | 24.34 ± 12.19 | 12.87 ± 8.00 | −7.451 | 0.000a |
| FAR2 (%) | 32.04 ± 8.06 | 20.76 ± 6.98 | −9.746 | 0.000a |
FAR, fragment area ratio.
a
Means that there is statistical difference between the two groups.