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Table 1 Changes in the total pharyngeal airway volume after isolated mandibular setback surgery for mandibular prognathism

From: Why most patients do not exhibit obstructive sleep apnea after mandibular setback surgery?

Ref. n Age (years, mean ± SD, range) BMI Surgery Follow-up Total pharyngeal airway volume (cm3)
T0a T1 T2 T3
Park JW (2010) [17] 12 25.5   MnS Pre and post 6 mo 17.6 (100.0%)   16.1 (91.3%)  
Hong JS (2011) [15] 12 23.2 ± 3.6   MnS (no skeletal movement information) Pre and post 2 mo 8.5 (100.0%) 6.9 (80.9%)   
Park SB (2012) [18] 20 Total 23.0 ± 3.0 (19–29)   MnS (setback 7.9 ± 3.6 mm) Pre and post 5 mo and post 17 mo 36.6 (100.0%)   32.4 (88.5%) 32.1 (87.7%)
Hatab (2015) [14] 9 Total 21.8 ± 3.4 (18–30)   MnS (no skeletal movement information) Pre and post 3 mo 30 (100.0%) 22.5 (75.2%)   
Shah (2016) [19] 29 23.7 ± 6.3 (18–52)   MnS (setback 7.7 mm) Pre and post 6 mo and 1 year 35.5 (100.0%)   24.4 (68.7%) 25.1 (70.7%)
Lee ST (2019) [16] 25 23.0 ± 4.4 22.4 ± 3.5 MnS (setback 9.1 ± 2.6 mm) Pre and post 1 mo and 1 year 26 (100.0%) 19.6 (75.4%)   22.1 (85.0%)
Total       (100.0%) (77.1%) (82.9%) (81.1%)
  1. MnS mandibular setback surgery (amount of setback), Pre preoperative, Post postoperative, mo, months
  2. aThe preoperative state (T0) was set as 100%. T0, preoperative; T1, postoperative 1–4 months; T2, postoperative 5–6 months; T3, postoperative 1 year. The total age indicates that the study did not define the value for individual study groups