|
Respiratory status
|
Parameters
|
Plane
|
Before MAD
|
After MAD
|
P value
|
|---|
|
Quiet breathing
|
CSA
|
NP
|
131.0 ± 115.4
|
185.3 ± 100.5
|
0.052
|
|
VP
|
26.8 ± 19.0
|
46.4 ± 26.4
|
0.023
|
|
GP
|
103.8 ± 66.9
|
93.9 ± 50.8
|
0.533
|
|
EP
|
52.0 ± 26.5
|
38.5 ± 22.1
|
0.068
|
|
A-P diameter
|
NP
|
7.7 ± 4.6
|
9.3 ± 3.5
|
0.125
|
|
VP
|
2.8 ± 1.6
|
3.6 ± 1.6
|
0.181
|
|
GP
|
14.6 ± 5.5
|
13.9 ± 4.5
|
0.966
|
|
EP
|
6.6 ± 2.7
|
5.5 ± 1.7
|
0.202
|
|
Lateral diameter
|
NP
|
11.8 ± 6.6
|
16.5 ± 5.1
|
0.045
|
|
VP
|
9.7 ± 6.3
|
12.4 ± 4.7
|
0.008
|
|
GP
|
14.6 ± 5.5
|
13.9 ± 4.5
|
0.497
|
|
EP
|
15.1 ± 15.2
|
8.5 ± 4.2
|
0.236
|
|
Deep inspiration
|
CSA
|
NP
|
197.3 ± 173.9
|
205.7 ± 183.1
|
0.375
|
|
VP
|
18.3 ± 16.3
|
43.0 ± 37.8
|
0.186
|
|
GP
|
131.0 ± 3.6
|
356.0 ± 189.1
|
0.172
|
|
EP
|
39.3 ± 27.4
|
83.0 ± 37.4
|
0.195
|
|
A-P diameter
|
NP
|
9.3 ± 8.1
|
9.8 ± 8.7
|
0.423
|
|
VP
|
1.7 ± 2.0
|
2.4 ± 2.2
|
0.277
|
|
GP
|
8.1 ± 1.4
|
13.8 ± 7.9
|
0.264
|
|
EP
|
5.4 ± 1.0
|
8.9 ± 1.7
|
0.145
|
|
Lateral diameter
|
NP
|
14.6 ± 12.9
|
15.1 ± 13.6
|
0.580
|
|
VP
|
6.7 ± 7.7
|
11.6 ± 10.7
|
0.199
|
|
GP
|
19.0 ± 2.5
|
28.5 ± 7.4
|
0.197
|
|
EP
|
9.1 ± 7.3
|
10.6 ± 5.9
|
0.537
|
|
Sleep apnea /hypopnea
|
CSA
|
NP
|
133.8 ± 109.3
|
163.9 ± 94.5
|
0.082
|
|
VP
|
5.0 ± 6.4
|
21.2 ± 10.5
|
0.000
|
|
GP
|
77.0 ± 68.6
|
86.0 ± 51.3
|
0.684
|
|
EP
|
87.4 ± 84.5
|
66.4 ± 50.4
|
0.533
|
|
A-A-P diameter
|
NP
|
7.1 ± 4.6
|
8.7 ± 3.7
|
0.171
|
|
VP
|
1.3 ± 1.2
|
2.9 ± 0.9
|
0.001
|
|
GP
|
8.9 ± 6.8
|
9.3 ± 4.5
|
0.813
|
|
EP
|
10.2 ± 6.7
|
8.5 ± 4.1
|
0.442
|
|
Lateral diameter
|
NP
|
12.0 ± 6.7
|
15.7 ± 6.1
|
0.080
|
|
VP
|
2.2 ± 2.3
|
8.2 ± 3.8
|
0.001
|
|
GP
|
9.6 ± 7.8
|
11.5 ± 4.4
|
0.427
|
|
EP
|
9.4 ± 6.9
|
9.3 ± 5.2
|
0.985
|
-
Abbreviations: CSA cross-sectional area, A-P anterior-posterior diameter, NP nasopharynx, VP velopharynx,GP glossopharynx, EP epiglopharynx
