Table 3.
Patients characteristics (Class III) in the surgical changes.
| Variables | Surgical changes | Postoperation intergroup comparison | ||||
|---|---|---|---|---|---|---|
| Mean | SD | F | P value | Significant | ||
| C4C2-SN angle | 3.6 | 5.17 | ∗ | 12.362 | < 0.001 | II > III, I > III |
| Palatal angle | 4.4 | 6.21 | ∗ | 4.325 | 0.015 | II > III |
| Soft palate length | 1.3 | 3.33 | ∗ | 5.258 | 0.007 | II > III |
| Soft palate width | -0.4 | 1.68 | – | 2.584 | 0.080 | – |
| Pharyngeal airway | ||||||
| NOP | 0.4 | 2.21 | – | 3.626 | 0.030 | II > I |
| UOP | -2.7 | 2.18 | ∗ | 1.309 | 0.274 | – |
| TOP | -3.4 | 3.77 | ∗ | 1.116 | 0.331 | – |
| EOP | -1.6 | 3.15 | ∗ | 0.020 | 0.980 | – |
| Pogonion | ||||||
| Horizontal | -10.7 | 4.65 | ∗ | 6.289 | 0.003 | III > II, I > II |
| Vertical | -0.7 | 3.22 | – | 2.202 | 0.115 | – |
| Hyoid | ||||||
| Horizontal | -5.4 | 5.14 | ∗ | 2.271 | 0.108 | – |
| Vertical | 2.1 | 6.30 | ∗ | 0.977 | 0.379 | – |
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, p < 0.05; –: Not significant