. 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 3.

Comparison of pre-surgery to splint removal. 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 the mean		P-value
Maxilla	−0.67	0.75	−2.18	0.84	0.38
Right condyle posterior surface	−0.40	0.25	−0.91	0.11	0.12
Left condyle posterior surface	−0.44	0.27	−0.98	0.11	0.12
Right condyle medial pole	−0.60	0.27	−1.14	−0.06	0.03^a
Left condyle medial pole	−0.61	0.29	−1.20	−0.02	0.04^a
Right condyle lateral pole	−0.43	0.25	−0.93	0.06	0.09
Left condyle lateral pole	−0.62	0.26	−1.13	−0.10	0.02^a
Right condyle superior surface	−0.54	0.25	−1.04	−0.05	0.03^a
Left condyle superior surface	−0.46	0.26	−0.98	0.06	0.08
Right posterior border ramus	−1.72	0.55	−2.83	−0.60	0.00^a
Left posterior border ramus	−2.26	0.50	−3.27	−1.25	0.00^a
Anterior surface of the chin	−5.29	0.77	−6.85	−3.74	0.00^a
Inferior border of the chin	−5.78	1.28	−8.40	−3.16	0.00^a

95% CI, 95% confidence interval.

P ≤ 0.05, statistically significant.