Table 6.

ANOVA of the mandibular condyle height and width in different age groups

Variables	SN-MP groups	Mean	SD	p-value†	Mean difference			p-value‡
LCW	Group 1 ≤ 20 yr	18.31	2.28	0.233	Group 1 ≤ 20 yr	21 yr ≤ Group 2 < 30 yr	–0.88	0.238
	21 yr ≤ Group 2 < 30 yr	19.2	2.38			Group 3 ≥ 30 yr	–0.72	0.550
	Group 3 ≥ 30 yr	19.04	3.13		21 yr ≤ Group 2 < 30 yr	Group 1 ≤ 20 yr	0.88	0.238
						Group 3 ≥ 30 yr	0.15	0.963
LCH	Group 1 ≤ 20 yr	18.57	3	0.844	Group 1 ≤ 20 yr	21 yr ≤ Group 2 < 30 yr	–0.39	0.844
	21 yr ≤ Group 2 < 30 yr	18.97	3.21			Group 3 ≥ 30 yr	–0.3	0.942
	Group 3 ≥ 30 yr	18.87	3.95		21 yr ≤ Group 2 < 30 yr	Group 1 ≤ 20 yr	0.39	0.844
						Group 3 ≥ 30 yr	0.09	0.991
RCW	Group 1 ≤ 20 yr	18.14	2.07	0.084	Group 1 ≤ 20 yr	21 yr ≤ Group 2 < 30 yr	–1.06	0.099
	21 yr ≤ Group 2 < 30 yr	19.21	2.32			Group 3 ≥ 30 yr	–1.04	0.257
	Group 3 ≥ 30 yr	19.18	2.9		21 yr ≤ Group 2 < 30 yr	Group 1 ≤ 20 yr	1.06	0.099
						Group 3 ≥ 30 yr	0.02	0.990
RCH	Group 1 ≤ 20 yr	18.44	3.04	0.501	Group 1 ≤ 20 yr	21 yr ≤ Group 2 < 30 yr	–0.46	0.767
	21 yr ≤ Group 2 < 30 yr	18.91	2.96			Group 3 ≥ 30 yr	–0.95	0.504
	Group 3 ≥ 30 yr	19.4	3.48		21 yr ≤ Group 2 < 30 yr	Group 1 ≤ 20 yr	0.46	0.767
						Group 3 ≥ 30 yr	–0.49	0.789

ANOVA, analysis of variance; SN, sella-nasion plane; MP, mandibular plane; SD, standard deviation; LCW, left condylar width; LCH, left condylar height; RCW, right condylar width; RCH, right condylar height.

^†ANOVA test was performed.

^‡Scheff's post hoc test was performed.