Table 4.

Study variables versus primary outcome (resorption) variable.

	V1-V2 (%)
	Mean ± SD	P
Gender, F/M, n
Male	10.11 ± 3.25	a0.924
Female	9.98 ± 3.64
Implant torque, sites
Up	9.28 ± 3.19	a0.219
Down	10.87 ± 3.61
	r	P
Age, years	0.105	0.597
W0, mm	0.110	0.576
W1, mm	0.252	0.196
W1-W0, mm	0.210	0.283
V1
GBR	0.387	0.154
RBG	0.541	0.056
Total	0.459	0.014∗

  ^aIndependent samples t-test; r: Pearson's correlation coefficient; ^∗ P < 0.05.

V1-V2 (%), resorption rate; W0, presurgical bone width; W1, bone width after healing; W1-W0, bone gain after healing; V1, initial postaugmentation graft volume.