From: Cephalometric norms for the upper airway of 12-year-old Chinese children
Variables | Boys | Girls | |||||
---|---|---|---|---|---|---|---|
Mean | P value | Mean | P value | ||||
Soft palate | |||||||
PM-U | Length of the soft palate | -0.2 | 0.681 | -0.1 | 0.954 | ||
SPT | Soft palate thickness | 0.0 | 0.827 | 0.0 | 0.714 | ||
NL/PM-U | Inclination of the long axis of the soft palate relative to the nasal line | 1.3 | 0.252 | 0.2 | 0.456 | ||
Depth of upper airway | |||||||
PM-UPW | Depth of the nasopharyngeal airway space | 0.0 | 0.914 | -0.2 | 0.738 | ||
U-MPW | Depth of the retropalatal pharyngeal airway space | -0.4 | 0.146 | 0.1 | 0.724 | ||
V-LPW | Depth of the hypopharyngeal airway space | 0.3 | 0.314 | 1.4 | 0.01 | ** | |
PASmin | Depth of the retroglossal pharyngeal airway space | 0.9 | 0.019 | * | 1.1 | 0.005 | ** |
Position of the hyoid bone | |||||||
AH-FH | Positon of the hyoid bone in the vertical plance | 2.1 | 0.014 | * | 1.3 | 0.114 | |
AH-CV | Positon of the hyoid bone in the horizontal plance | 1.5 | 0.001 | ** | 0.9 | 0.074 |