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Table 5 Age, body mass index (BMI), and apnea-hypopnea index (AHI) of the studies investigating pharyngeal airway changes in maxillomandibular advancement (MMA)

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

  Age (years) BMI before surgery (kg/m2) AHI (before surgery) AHI (after surgery)
  Average ± SD or (range) Average ± SD or (range) Average ± SD or (range) Average ± SD or (range)
Conradt (1997) [37] 44 ± 12 28.3 ± 3.4 51.4 ± 16.9 8.5 ± 9.4
Li (2000) [38] 45.6 ± 20.7 31.4 ± 6.7 71.2 ± 27.0 7.6 ± 5.1
Fairburn (2007) [33] 47.6 ± 10 32.24 4.7 69.2 ± 35.8 18.6 ± 6.3
Jones (2010) [39]    33.9 ± 8.5 61.41 ± 19.6 29.4 ± 19.4
Dekeister (2006) [40] 48 ± 7 28 3.4 45.4 ± 18.1 (30–88) 8.3 ± 6.8 (1–32)
Jaspers (2013) [41] 53.8 ± 9.1    36.2 ± 23.8 (16–81) 11.3 ± 16.1 (1–43)
Ronchi (2013) [42] 42.3 ± 9.5    58.7 ± 16 8.1 ± 7.8
Bianchi (2014) [12] 45 ± 14    56.8 ± 16.6 12.3 ± 5.5
Schendel (2014) [13] 46.4 ± 9.7 28.6   42.9 ± 21.2 5.2 ± 8.3
Hsieh (2014) [43] 33 ± 7.9 22 3.3 35.7 ± 18.0 4.8 ± 4.4
Boyd (2015) [44] 48.4 ± 8.1 29.1 4.1 50.4 ± 19.7 (17–87.6) 8 ± 10.7 (0.2–41.7)
Vigneron (2016) [45] 40.7 ± 12.6 24.6 4 56.7 ± 23.9 25.5 ± 20.6
Veys (2017) [46] 44.7 ± 9.5    27.7 ± 14.7 8.5 ± 10
de Ruiter (2017) [47] 54 47–61 29 27–33 52.1 ± 10 16 ± 10
Total 45.7 ± 5.4   28.7 ± 3.5   51.1 ± 12.6   12.3 ± 7.5