fig11
Figure 11. The results of the clustering method. Sixty samples were classified into four categories (codes). Figures 11 and 12 show that Code 1 represents patients having midface retrusion with short mandibular height; Code 2 represents those with midface retrusion combined with mandibular protrusion with well-developed nasal bone; Code 3 represents those with smaller nasal height, retruded cheeks, and asymmetric face; and Code 4 represents those with severe mandibular protrusion with asymmetric nose