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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

GroupMeanSDMean differenceSE meanPaired t test
tp value
Control29.264.97− 13.415.12− 13.854< 0.001*
Pre-surgical14.596.41− 14.225.52− 14.344< 0.001*
  1. *Statistically significant, p < 0.001