Table 7.
Comparison of mMPTA, mLDFA between the clamping + bone traction device group and the clamping + traction bed group (±s).
Group | Number of cases | mMPTA (°) | mLDFA (°) | ||||
---|---|---|---|---|---|---|---|
Preoperative | 1 month after surgery | 3 months after surgery | Preoperative | 1 month after surgery | 3 months after surgery | ||
Clamping + bone traction device | 69 | 84.33 ± 5.51 | 87.63 ± 4.41a, b | 90.82 ± 5.53a, b, c | 83.93 ± 6.21 | 88.92 ± 7.44a, b | 91.62 ± 7.73a, b, c |
Clamping + traction bed | 69 | 83.79 ± 6.34 | 85.55 ± 5.57a, b | 88.40 ± 4.12a, b, c | 83.62 ± 6.58 | 85.51 ± 8.05a, b | 88.34 ± 7.25a, b, c |
FInter-group P | – | 31.635/<0.001 | |||||
FTime Point P | – | 126.871/<0.001 | |||||
Finteraction between groups and time points P | – | 9.362/<0.001 |
Comparisons with the clamp + traction bed group at the same time point indicate statistically significant differences.
P < 0.05, vs. the same group before surgery.
P < 0.05, vs. the same group 1 month after surgery.
P < 0.05, vs. the same group 3 months after surgery.