Three-dimensional oropharyngeal airway changes after facemask therapy using low-dose computed tomography: a clinical trial with a retrospectively collected control group

Progress in Orthodontics

Table 2 Reliability of the performed measurements and error of the method

Variable	ICC	95% Confidence Interval		Mean difference*	Errors of the method**
Variable	ICC	L.B	U.B	Mean difference*	Errors of the method**
Total Oropharyngeal airway volume (mm³)	0.999	0.999	1.000	9.39	54.7 mm³
Retropalatal airway volume (mm³)	0.977	0.937	0.991	−10.30	53.35 mm³
Retroglossal airway volume (mm³)	0.991	0.975	0.997	10.20	52.24 mm³
Minimal cross sectional area (mm²)	0.989	0.970	0.996	−2.05	6.09 mm²
Mean part analysis (mm)	0.986	0.959	0.995	0.02	0.11 mm
Minimum part analysis (mm)	0.991	0.974	0.997	0.01	0.23 mm
Maximum part analysis (mm)	0.992	0.978	0.997	0.06	0.20 mm