. Author manuscript; available in PMC: 2014 Jun 1.

Published in final edited form as: Int J Oral Maxillofac Surg. 2013 Feb 8;42(6):780–789. doi: 10.1016/j.ijom.2013.01.002

Table 4.

Comparison of splint removal to 1 year post-surgery. Changes with two-jaw surgery by maxillary advancement only, using the independent Student's t-test.

Anatomic surface	Mean difference (mm)	Standard error of the difference	95% CI of mean		P-value
Maxilla	0.29	0.29	−0.29	0.87	0.32
Right condyle posterior surface	−0.43	0.22	−0.87	0.01	0.05^a
Left condyle posterior surface	−0.61	0.22	−1.05	−0.17	0.01^a
Right condyle medial pole	−0.66	0.27	−1.21	−0.10	0.02^a
Left condyle medial pole	−0.65	0.26	−1.16	−0.14	0.01^a
Right condyle lateral pole	−0.44	0.22	−0.89	0.01	0.06
Left condyle lateral pole	−0.36	0.30	−0.96	0.24	0.23
Right condyle superior surface	−0.40	0.24	−0.88	0.09	0.11
Left condyle superior surface	−0.56	0.20	−0.96	−0.16	0.01^a
Right posterior border ramus	−1.20	0.57	−2.36	−0.05	0.04^a
Left posterior border ramus	−1.53	0.43	−2.40	−0.66	0.00^a
Anterior surface of the chin	−1.35	0.66	−2.68	−0.02	0.05^a
Inferior border of the chin	−0.85	0.71	−2.30	0.59	0.24

95% CI, 95% confidence interval.

P≤ 0.05, statistically significant.