International Journal of Implant Dentistry

Table 4 Patient-related outcome measures at baseline and at the final follow-up

From: A clinical and radiographic study of implants placed in autogenous bone grafts covered by either a platelet-rich fibrin membrane or deproteinised bovine bone mineral and a collagen membrane: a pilot randomised controlled clinical trial with a 2-year follow-up

	Test group	Control group	Difference	p value
	Mean (95% CI)	Mean (95% CI)	Mean (95% CI)	p value
Baseline	9.44 (9.09 to 9.78)	9.57 (9.20 to 9.95)	0.13 (− 0.40 to 0.66)	0.61
Follow-up	9.66 (9.30 to 10.02)	9.55 (9.15 to 9.96)	− 0.10 (-0.66 to 0.46)	0.71
Difference	0.22 (− 0.19 to 0.63)	− 0.02 (− 0.48 to 0.44)
p value	0.27	0.93

Data on the visual analogue scale of patient-related outcome measures at baseline (the time of placement of the implant-supported crown) and at the final follow-up. The p values were calculated using post-hoc tests following the mixed model for repeated measurement

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