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?
| Â | 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 |  |