3D simulation of interosseous interference in sagittal split ramus osteotomy for mandibular asymmetry

Maxillofacial Plastic and Reconstructive Surgery

Table 4 Stepwise regression analysis for parameter estimates of independent variables affecting predicted volume of interosseous interference

Variables	Unstandardized coefficients		Standardized coefficients	95% Cl for B (lower ~ upper bound)	P
Variables	B	Standard error	Beta	95% Cl for B (lower ~ upper bound)	P
Model 1 (constant)	28.052	19.903		− 11.164 ~ 67.269	0.160
Me deviation	12.395	4.760	0.169	3.017 ~ 21.774	0.010
Model 2 (constant)	724.183	252.280		227.097 ~ 1221.269	0.004
Me deviation	13.184	4.701	0.180	3.922 ~ 22.446	0.005
Ramal inclination	− 9.215	3.330	− 0.178	− 15.776 ~ − 2.655	0.006

Excluded variables: gender, age, side (long vs short), and amount of mandibular setback. 95% Cl, 95% confidence interval