Table 5.

Association between patient-related factors and peri-implant diseases

a) Peri-implant mucositis.
Peri-implant mucositis	Relative risk	95% CI	P
Smoking	1.91	0.544‑6.721	0.302
History of periodontitis*	1.33	0.762‑2.351	0.305
Older than 60 years	1.05	0.562‑1.967	0.88
b) Peri-implantitis.
Peri-implantitis	Relative risk	95% CI	P
Smoking	3.667	0.644‑20.884	0.196
History of periodontitis*	2.2	1.39‑3.48	0.148
Older than 60 years	1.10	0.256‑4.734	0.904

*Patients under maintenance