Importance in the Occurrence Distribution of Minimum Oropharyngeal Cross-Sectional Area in the Different Skeletal Patterns Using Cone-Beam Computed Tomography

Table 2

The measured angles in the skeletal patterns using one-way ANOVA with Tukey’s HSD post hoc test.

Angles	Class I		Class II		Class III				Intergroup comparison
	Mean	SD	Mean	SD	Mean	SD		value
Or-Po-Pog	45.6	4.13	48.9	4.29	41.5	3.41	51.371	<0.001
Or-Po-H	65.7	4.70	69.3	4.72	69.1	58.65	0.077	0.926	─
Or-Po-C2	83.8	5.86	87.3	5.15	82.5	4.90	11.318	<0.001	,
Po-C2-Pog	113.0	8.78	108.9	6.58	110.6	6.97	2.832	0.062	─
Po-C2-H	130.6	12.54	124.8	12.00	124.8	10.56	3.09	0.049
Po-C2-C4	192.7	5.44	193.2	7.30	189.4	4.67	7.307	0.001	,

Or: orbitale; Po: porion; Pog: pogonion; H: hyoid bone; C2: second cervical vertebra; C4: fourth cervical vertebra. Intergroup comparison: statistically significant, . ─: not significant.