Table 4 Patient-related probable risk indicators for the occurrence of peri-implant mucositis and peri-implantitis

Gender

Female

0.673

(0.391–1.158)

0.153

0.577

(0.332–1.002)

0.051

Age

1.056

(1.032–1.080)

0.000*

1.047

(1.023–1.071)

0.000*

Smoking

Yes

1.179

(0.638–2.179)

0.599

2.981

(1.634–5.437)

0.000*

Frequency of maintenance/year

< 2

2.866

(1.659–4.953)

0.000*

2.576

(1.403–4.729)

0.002*

2.278

(1.311–3.956)

0.003*

2.048

(1.074–3.907)

0.030*

Systemic disease

Yes

1.965

(1.021–3.782)

0.043

2.697

(1.353–5.021)

0.004*

Diabetes

Yes

1.426

(0.491–4.147)

0.514

3.742

(1.382–10.136)

0.009*

Periodontal disease

Periodontitis

5.874

(3.283–10.509)

0.000*

3.342

(1.702–6.561)

0.000*

6.634

(3.642–12.082)

0.000*

3.295

(1.593–6.815)

0.001*

Number of implants

>4

2.417

(1.324–4.412)

0.004*

3.097

(1.685–5.693)

0.000*

2.103

(1.040–4.251)

0.039*

PI

3.362

(2.038–5.546)

0.000*

3.046

(1.724–5.383)

0.000*

8.365

(4.769–14.670)

0.000*

7.055

(3.803–13.088)

0.000*