Allogeneic versus autogenous shell technique augmentation procedures: a prospective-observational clinical trial comparing surgical time and complication rates

International Journal of Implant Dentistry

Table 4 Results of multiple regression analyses

Variable	Unstandardized coefficients	Std. Error	Standardized coefficients	p-value
Variable	B	Std. Error	Beta	p-value
Experience	− 51.3	5.5	− 0.48	< 0.001
Donor site	18.1	2.5	0.37	< 0.001
Number shells	12.5	1.9	0.35	< 0.001
Simultaneous sinus lift	19.6	4.2	0.25	< 0.001
Intraoperative complications	19	5.7	0.18	0.001