Table 1.

Power was calculated. Student t tests were performed for each region of interest to test if the difference of the virtual surgical outcomes when superimposed on the actual surgical outcomes was less than the image spatial resolution of 0.5 mm.

	t Value	Probability t	Power
Region of interest
Anterior Maxilla	−0.79167	0.561677	0.962
Right Lateral Maxilla	−0.18841	0.14745	0.203
Left Lateral Maxilla	0.538988	0.403845	0.151
Right Condyle	−0.8912	0.616033	0.986
Left Condyle	−1.85496	0.920813	0.999
Right lateral Ramus	−3.27984	0.99606	0.999
Left Lateral Ramus	−1.81991	0.915435	0.999
Anterior corpus	−3.29165	0.996163	0.999
Right lateral corpus	−5.62111	0.99998	0.999
Left lateral corpus	−5.27873	0.999957	0.999
Chin	−0.45906	0.3486	0.631

P< .05 was used to determine statistical significance between the two images.