Table 4 Details of the evaluation of factors affecting mucosal thickening and the analysis results at 1 month after surgery
With mucosal thickening (n = 85) | Without mucosal thickening (n = 40) | p value | |||
|---|---|---|---|---|---|
1) | Sex | Male | 21 | 11 | 0.738 |
Female | 64 | 29 | |||
2) | Mean age at the time of 1 month after surgery (years) | 24.9 ± 7.9 | 27.1 ± 9.8 | 0.193 | |
3) | Skeletal diagnosis of maxilla | Protrusion | 27 | 10 | 0.323 |
Retrusion | 40 | 15 | |||
Protrusion with asymmetry | 3 | 3 | |||
Retrusion with asymmetry | 5 | 6 | |||
Asymmetry | 10 | 6 | |||
4) | Operating time (min) | Total operating time | 375.3 ± 76.7 | 368.2 ± 80.7 | 0.638 |
At the end of Le Fort I osteotomy | 142.7 ± 47.4 | 117.5 ± 50.1 | 0.008* | ||
5) | Bleeding (mL) | Amount of postoperative bleeding | 310.4 ± 214.5 | 297.8 ± 229.0 | 0.765 |
Amount of bleeding at the end of Le Fort I osteotomy | 130.3 ± 112.3 | 124.3 ± 125.2 | 0.790 | ||
6) | Bone graft | With bone graft | 29 | 22 | 0.027* |
Without bone graft | 56 | 18 | |||
7) | Type of osteotomy | One-piece Le Fort I osteotomy | 69 | 36 | 0.209 |
Multisegment Le Fort I osteotomy | 16 | 4 | |||
8) | Macrolide therapy | With macrolide therapy | 19 | 3 | 0.031* |
Without macrolide therapy | 66 | 37 | |||