Table 3 The relationship between skeletal movements and changes of upper airway
Nasopharyngeal airway change(mm3) | Oropharyngeal airway change(mm3) | Hypopharyngeal airway change(mm3) | Total airway change(mm3) | MCA (mm2) | MCA-TV (mm) | MCA-AP (mm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Movement directions | rho | P | rho | P | rho | P | rho | P | rho | P | rho | P | rho | P | |
Point A (mm) | Anteroposterior | -.002 | 0.991 | .076 | 0.599 | -.095 | 0.512 | -.066 | 0.650 | -.093 | 0.521 | -.076 | 0.602 | .026 | 0.856 |
Vertical | -.011 | 0.938 | -.272 | 0.056 | -.132 | 0.362 | -.192 | 0.181 | -.259 | 0.069 | -.145 | 0.316 | -.361* | 0.010 | |
Point B (mm) | Anteroposterior | .180 | 0.212 | .546** | 0.000 | .562** | 0.000 | .556** | 0.000 | .560** | 0.000 | .473** | 0.001 | .344* | 0.015 |
Vertical | .087 | 0.548 | -.026 | 0.860 | -.157 | 0.277 | -.060 | 0.678 | -.152 | 0.293 | -.088 | 0.544 | .065 | 0.653 | |
Point PNS (mm) | Anteroposterior | -.226 | 0.114 | -.206 | 0.151 | -.031 | 0.829 | -.210 | 0.143 | -.151 | 0.294 | -.110 | 0.448 | -.232 | 0.105 |
Vertical | .117 | 0.420 | -.107 | 0.461 | -.077 | 0.596 | -.003 | 0.983 | .098 | 0.499 | .205 | 0.153 | .084 | 0.560 | |
Mandibular plane Angle (°) | .015 | 0.916 | -.262 | 0.066 | -.336* | 0.017 | -.348* | 0.046 | -.308* | 0.030 | -.215 | 0.133 | -.205 | 0.153 | |
Occlusal plane Angle (°) | -.066 | 0.650 | .030 | 0.835 | -.067 | 0.645 | .004 | 0.978 | -.131 | 0.365 | -.150 | 0.299 | -.049 | 0.736 | |