Table 5 Association between patient-related factors and peri-implant diseases

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

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