Table 1: Mean and standard deviation of soft-tissue thicknesses in each mid-facial landmark divided by sex and three skeletal classes; all the measurements are reported in mm.

Males Females
I Class
(n=41)
II Class
(n=18)
III Class
(n=32)
I Class
(n=70)
II Class
(n=25)
III Class
(n=34)
Mean SD Mean SD Mean SD Mean SD Mean SD Mean SD
Supra glabella 4.5 0.9 3.9 0.6 4.5 0.7 4.4 0.8 4.6 0.7 4.4 0.7
Glabella 6.1 0.8 5.8 0.9 6.2 1.0 6.0 1.0 6.0 0.9 6.0 0.9
Nasion 5.9 1.7 5.8 1.6 5.8 1.6 6.0 1.8 5.9 2.0 6.1 1.6
Nasale 2.4 0.5 2.3 0.5 2.6 0.8 2.4 0.6 2.2 0.5 2.3 0.5
Subnasale 14.0 2.5 14.0 1.6 15.0 3.4 14.0 2.1 13.8 2.3 14.5 2.3
Superior labial sulcus 13.7 1.9 13.0 1.3 14.5 2.4 13.8 1.5 13.4 1.9 13.9 1.8
Labrale superius 12.0 2.2 10.8 1.7 12.6 2.6 11.4 1.7 10.0 2.7 11.4 2.1
Stomion 5.8 2.2 4.6 1.6 5.4 1.8 4.2 2.1 4.5 3.3 5.2 2.2
Labrale inferius 13.4 1.7 13.0 1.6 13.5 2.1 12.8 1.7 12.4 2.3 12.6 1.6
Inferior labial sulcus 10.5 1.5 10.6 1.8 10.7 1.6 10.4 1.5 10.5 1.4 10.4 0.9
Suprapogonion 11.6 2.1 11.0 1.9 11.7 2.1 11.3 1.8 10.9 1.3 11.2 1.3
Pogonion 9.2 2.4 8.7 3.2 9.8 2.3 9.1 2.2 8.3 1.7 9.5 1.9
Gnathion 7.1 2.3 6.0 1.4 7.4 1.8 6.8 1.9 6.4 1.3 7.4 1.9
Menton 8.6 2.1 7.3 1.8 8.5 1.6 7.9 1.6 7.6 1.5 7.6 1.5