Table 5.

Mean marginal bone loss of patients.

Age *	≤70 years	>70 years
	0.91 ± 0.88	1.50 ± 0.80	p = 0.0077
Gender	Female	Male
	1.21 ± 0.90	1.32 ± 1.04	p = 0.6763
History of periodontitis	+	-
	1.40 ± 1.10	1.19 ± 0.88	p = 0.4436
Smokers	+	-
	1.32 ± 1.04	1.21 ± 0.90	p = 0.6763
Medical conditions	+	1.25 -
	1.38 ± 0.93	1.00 ± 0.86	p = 0.1173
Follow-up *	≤5 years	>5 years
	0.93 ± 0.81	1.66 ± 0.58	p = 0.0001
Total	1.25 ± 0.94 (0.8–1.7)

(*) Statistically significant.