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Table 2 Comparison of the morphological variables before and after distraction osteogenesis

From: What is the impact of distraction osteogenesis on the upper airway of hemifacial microsomia patient with obstructive sleep apnea: a case report

Variables

T0

T1

T1–T0

Change

Area (cm2)

 Plane I

2.77

3.04

0.27

9.75

 Plane II

1.85

4.46

2.61

141.08

 Plane III

1.38

1.95

0.57

41.30

 Plane IV

2.49

2.17

−0.32

−12.85

 Plane V

1.94

2.26

0.32

16.49

Length (cm)

 Lnp

1.36

1.38

0.02

1.47

 Lop

3.55

4.01

0.46

12.96

 Lhp

1.48

1.53

0.05

3.38

Volume (cm3)

 Nasal cavity

18.74

20.57

1.83

9.77

 Nasopharynx

4.48

5.85

1.37

30.58

 Oropharynx

6.13

9.13

3.00

48.94

 Hypopharynx

3.70

3.57

−0.13

−3.51

  1. T0, before distraction osteogenesis; T1, after distraction osteogenesis change: [(T1–T0)/T0] × 100%