Table 4: Assessment of measurement error in paired linear facial dimension and angles.

Variables (mm)⁢Method error⁢Intraclass correlation
VAVTEMRelative TEM (%)SMAM

Special head height102.881.431.390.980.99
Special face height102.661.871.820.910.95
Forehead height II68.102.693.940.830.91
Upper facial height41.662.485.960.750.86
Lower facial height64.631.802.790.830.90
Height of calva29.252.046.960.940.97
Forehead height I56.392.925.170.800.89
Special upper facial Height I84.353.363.980.490.66
Interocular distance31.411.304.140.770.87
Nasal width41.811.403.340.770.87
Upper facial width123.242.792.270.900.95
Mouth width51.651.382.670.870.93
Right orbital length30.111.254.150.330.50
Left orbital length30.321.314.330.420.59

VAV: variable average value, TEM: technical error of method, SM: single measures, and AM: average measures.