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Table 4 Details of the evaluation of factors affecting mucosal thickening and the analysis results at 1 month after surgery

From: Prognostic factors for maxillary sinus mucosal thickening following Le Fort I osteotomy: a retrospective analysis

  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
  1. *p < 0.05 (paired t tests and chi-squared tests)