BioMed Research International / 2019 / Article / Tab 3

Research Article

Comparison of Pharyngeal Airway between Mandibular Setback Surgery Patients (Skeletal Class III) and Nonsurgery Patients (Skeletal Classes I and II)

Table 3

Patients characteristics (Class III) in the surgical changes.

Variables Surgical changesPostoperation intergroup comparison
MeanSDF valueSignificant

C4C2-SN angle3.65.1712.362< 0.001II > III, I > III
Palatal angle4.46.214.3250.015II > III
Soft palate length1.33.335.2580.007II > III
Soft palate width-0.41.682.5840.080
Pharyngeal airway
 NOP0.42.213.6260.030II > I
 Horizontal-10.74.656.2890.003III > II, I > II

I: Class I, II: Class II, III: Class III
NOP: nasopharyngeal airway, UOP: uvulopharyngeal airway
TOP: shortest distance from posterior tongue to pharyngeal wall
EOP: distance from epiglottis to pharyngeal wall
: Statistically significant, < 0.05; –: Not significant

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