Progress in Orthodontics

Table 2 Comparison between control and mirrored groups and between pre-surgical and postsurgical groups

From: Unilateral sagittal split osteotomy: effect on mandibular symmetry in the treatment of class III with laterognathia

Group	Mean	SD	Mean difference	SE mean	Paired t test
Group	Mean	SD	Mean difference	SE mean	t	p value
Control	29.26	4.97	− 13.41	5.12	− 13.854	< 0.001^*
Mirrored	42.67	2.25	− 13.41	5.12	− 13.854	< 0.001^*
Pre-surgical	14.59	6.41	− 14.22	5.52	− 14.344	< 0.001^*
Postsurgical	28.81	5.51	− 14.22	5.52	− 14.344	< 0.001^*

^*Statistically significant, p < 0.001

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