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Table 3 Age, body mass index (BMI), and apnea-hypopnea index (AHI) of the studies investigating pharyngeal airway changes in mandibular setback surgery with or without maxillary surgery

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 rangeAverage± SD or rangeAverage± SD or rangeAverage± SD or range
Hasebe (2011) [3], 1 + 2 jaw22 21.317.2–33.71-jaw 2.2; 2-jaw 2.91-jaw 3.3; 2-jaw 3.31-jaw 2.7; 2-jaw 2.11-jaw 3.4; 2-jaw 1.7
Gokce (2012) [28], 2 jaw20.9± 0.822.3± 4.22.12.741.41.75
Lee Y (2012) [23], 2 jaw22.718.1–33.420.8± 2.6    
Kobayashi (2013) [32], 1 + 2 jaw2416–3821.416.1–30.9    
Uesugi (2014) [26], 1 + 2 jaw2316–5421.115–34.41-jaw 3.1; 2-jaw 1.91-jaw 3.2; 2-jaw 1.71-jaw 3.4; 2-jaw 2.21-jaw 4.1; 2-jaw 2.1
Hsieh (2015) [20], 2 jaw24± 3.920.1± 2.5    
Kim HS (2016) [21], 2 jaw23.8± 5.921.1± 2.7    
Jang SI (2018) [6], 2 jaw23.9± 5.224.9± 2.52.241.244.755.91
Lee ST (2019) [16], 1 + 2 jaw23.3± 4.224.5± 4.5    
On SW (2019) [5], 1 + 2 jaw21.86± 4.5522.6515.3–33.31.150–12.41.10–28.7
Schilbred Eriksen (2019) [29], 1 jaw23.218.2–33.424.220.1–32.11.30–2.51.80.3–3.3
Yang HJ (2020) [4], 2 jaw21.8± 2.921.117.8–25.20.40–2.91.20–8.2
Total22.8 ± 1 22.1 ± 1.5 1.9 ± 0.8 2.3 ± 1.1