Bone Texture Fractal Dimension Analysis of Ultrasound-Treated Bone around Implant Site: A Double-Blind Clinical Trial

Table 3

An intervention-control group comparison in mean change in the RF after three and six months of surgery compared to immediate postoperative measurements.

	At baseline	After 3 months	Changes after 3 months compared to immediate	Cohen’s d	(paired t-test)	After 6 months	Changes after 6 months compared to immediate	Cohen’s d	(paired t-test)
Control
Range	(52 to 58)	(49 to 65)	(−6 to 11)			(54 to 68)	(−1 to 13)
Mean	55.3	59.5	4.2	1.21	0.009	62.1	6.8	2.25	<0.001
SD	1.9	4.5	4.3			3.8	3.9
SE	0.57	1.36	1.30			1.16	1.19
N	11	11	11			11	11
Intervention
Range	(49 to 57)	(51 to 75)	(2 to 19)			(70 to 80)	(15 to 28)
Mean	53.2	65.9	12.7	2.58	<0.001	75.5	22.3	7.42	<0.001
SD	3.0	6.3	4.9			3.0	3.5
SE	0.90	1.90	1.48			0.91	1.05
N	11	11	11			11	11
(independent samples t-test)	0.06 (NS)	0.012	<0.001			<0.001	<0.001