|
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
|
