Correlation Analysis between Three-Dimensional Changes in Pharyngeal Airway Space and Skeletal Changes in Patients with Skeletal Class II Malocclusion following Orthognathic Surgery

Table 1

Characteristics of the sample (, male 15, female 6).

Sample		Mean	SD	Normal	SD
Age		29.82 years	5.66
Steiner analysis [13]	SNA	79.19°	3.79	82.05	3.22
	SNB	70.30°	4.20	79.79	3.12
	ANB	8.88°	2.92	2.26	1.79
	Go-GN-SN	48.00°	8.56	31.80	5.53
Wits analysis [14]	Wits	3.47 mm	4.34	-2.49	2.48
Tweed analysis [15]	IMPA	95.30°	9.58	96.25	6.50
	FMA	37.87°	8.62	23.5	5.02
Body mass index [16]	BMI	20.54 kg/m^2	2.54	24.5	3

SD: standard deviation; SNA: sella, nasion, A point; SNB: sella, nasion, B point: ANB: A point, nasion, B point; Go-GN-SN: gonion-gnathion-SN plane; IMPA: incisor mandibular plane angle; FMA: Frankfort mandibular plane angle; BMI: body mass index.