Table 1.
Patients characteristics in the One-way ANOVA with post-hoc Tukey HSD test.
| Variables | Group I |
Group II |
Group III |
Intergroup comparison |
|||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | P value | Significant | ||
| Age | 7.5 | 0.50 | 9.6 | 0.49 | 11.4 | 0.49 | <0.0001 | ∗ | Group III > Group II > Group I |
| ANB | 4.2 | 3.20 | 4.3 | 2.61 | 4.6 | 3.37 | 0.855 | — | |
| C2C4-SN angle | 98.5 | 6.66 | 102.1 | 8.03 | 105.4 | 8.50 | 0.011 | ∗ | Group III > Group I |
| Palate angle | 129.8 | 5.40 | 130.2 | 6.59 | 130.2 | 5.32 | 0.959 | — | |
| SPL | 29.1 | 3.64 | 31.0 | 3.52 | 33.1 | 3.21 | <0.0001 | ∗ | Group III > Group II; Group III > Group I |
| SPW | 7.8 | 1.26 | 8.5 | 1.60 | 8.1 | 1.66 | 0.193 | — | |
| Pharyngeal airway | |||||||||
| NP | 19.1 | 3.90 | 21.0 | 3.35 | 24.4 | 4.51 | <0.0001 | ∗ | Group III > Group II; Group III > Group I |
| PS | 6.6 | 2.57 | 8.1 | 2.18 | 8.8 | 3.06 | 0.012 | ∗ | Group III > Group I |
| UP | 7.8 | 3.28 | 8.9 | 2.30 | 10.2 | 3.22 | 0.015 | ∗ | Group III > Group I |
| TS | 7.8 | 2.36 | 9.4 | 3.31 | 10.2 | 2.52 | 0.016 | ∗ | Group III > Group I |
| EP | 5.1 | 1.71 | 6.0 | 2.18 | 5.5 | 1.98 | 0.255 | — | |
| UE | 17.0 | 5.35 | 21.0 | 5.31 | 21.3 | 5.19 | 0.011 | ∗ | Group III > Group II > Group I |
Group I: age 7 and 8; Group II: age 9 and 10; Group III: age 11 and 12.
SPL: Soft palate length; SPW: Soft palate width.
NP: Nasopharyngeal airway; PS: shortest distance from the soft palate to the pharyngeal wall; UP: distance from the uvula to the pharyngeal wall.
TS: shortest distance from the posterior tongue to pharyngeal wall; EP: distance from the epiglottis to the pharyngeal wall.
UE: shortest distance from the uvula to the epiglottis.
∗: Intergroup comparison: Statistically significant, P ＜ 0.05.
—: Not significant.