Table 1.
SFA, Surgery-first approach; SNA, sella-nasion-A point angle; SNB, sella-nasion-B point angle; ANB, A point-nasion-B point angle; A-NP, nasion perpendicular to A point; Pog-NP, nasion perpendicular to pogonion; SN-GoMe, gonion-menton line to sella-nasion line angle; PFH/AFH, posterior facial height/anterior facial height; U1 to SN, upper incisor to sella-nasion line angle; IMPA, incisor mandibular plane angle; upper E-line, upper lip to Ricketts' E-line; lower E-line, lower lip to Ricketts' E-line.