Table 10.

Means of peri-implantitis prevalence (%), with confidence interval (CI-95%) in parenthesis

Group	Patient-level	Implant-level
1	16.4 (0.9–31.89)	12.12 (2.96–21.29)
2	20.67 (15.89–25.44)	12.65 (8.98–16.31)
3	14.68 (4.13–25.23)	12.04 (4.71–19.37)
4	23.94 (1.91–45.98)	13.21 (0.45–25.98)
Total	19.53 (12.87–26.19)	12.53 (11.67–13.39)