Table 2.

Adjusted correlations for the maximum push-out force with bulk morphological descriptors of the initial bone–implant domain. Significant correlations are marked with a star.

Material	Time	N	BV/TV	BIC	ABIC	Vscrew,ext	BA/BVb	κnorm,pos
Titanium	any	17	0.06	−0.30	0.19	−0.53*	−0.12	0.09
PEEK	any	11	0.84*	0.48	0.43	0.23	−0.82*	−0.88*
Mg-10Gd	any	10	0.43	0.78*	0.74*	−0.72*	−0.77*	−0.54
any	4 weeks	14a	0.50	0.51	0.39	0.47	−0.64*	−0.66*
any	8 weeks	11	0.06	0.27	0.26	−0.45	−0.55	−0.25
any	12 weeks	17	0.17	0.20	0.05	0.20	−0.11	−0.01
Titanium	4 weeks	6	−0.37	0.01	0.47	−0.90*	0.63	0.37
Titanium	8 weeks	5	−0.86	−0.96*	0.24	−0.97*	0.17	0.42
Titanium	12 weeks	6	0.03	−0.25	−0.18	−0.07	0.81	0.70
PEEK	12 weeks	5	0.84	0.14	0.05	0.16	−0.35	−1.00*
Mg-10Gd	12 weeks	5	0.30	0.90*	0.77	−0.76	−0.39	−0.26
any	any	42	0.50*	0.32	0.29	−0.06	−0.65*	−0.53*

* significant at p < 0.05.

^aN = 13 for the calculation of the V_{screw, exterior} correlation.

^bInterfaces to the screw and to narrow vessels were excluded from the evaluation of the surface area.