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

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

Variable ICC 95% Confidence Interval Mean difference* Errors of the method**
L.B U.B
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
  1. ICC intraclass correlation coefficients, L.B lower bound, U.B upper bound
  2. *Mean differences between the two assessment times
  3. **Using the Dahlberg's formula. (Dahlberg, 1940)