Table 6. Univariate and multivariate binary logistic regression analyses examining the association of significant risk indicators with peri-implant mucositis after adjusting for age and smoking status.
| Clinical groups/parameters | Casesa) | Univariate analysis | Multivariate binary logistic regression analysis | |||
|---|---|---|---|---|---|---|
| Unadjusted OR (95% CI) | P valueb) | Adjusted OR (95% CI) | P valueb) | |||
| Oral hygiene status | <0.001 | 0.001 | ||||
| Good/acceptable | 39 (30.7) | Referent | ||||
| Poor | 88 (69.3) | 2.3 (1.4–3.7) | 2.3 (1.4–3.8) | |||
| Current periodontal status | <0.001 | <0.001 | ||||
| Periodontal health | 21 (16.5) | Referent | ||||
| Gingivitis/periodontitis | 106 (83.5) | 3.3 (1.9–5.8) | 3.4 (1.9–6.0) | |||
| Preoperative alveolar ridge status | <0.001 | <0.001 | ||||
| Adequate (thick tissue biotype) | 43 (33.9) | Referent | ||||
| Deficient (horizontal, vertical, or combined defects) | 84 (66.1) | 2.6 (1.6–4.2) | 2.7 (1.6–4.4) | |||
| Implant placement protocol | <0.001 | <0.001 | ||||
| Immediate | 17 (13.4) | Referent | ||||
| Early/delayed | 110 (86.6) | 3.2 (1.8–5.9) | 3.5 (1.8–6.5) | |||
| Implant length | <0.001 | <0.001 | ||||
| >11.0 mm | 45 (35.4) | Referent | ||||
| ≤11.0 mm | 82 (64.6) | 2.9 (1.8–4.6) | 2.9 (1.8–4.6) | |||
| Quality of coronal restoration | 0.003 | 0.003 | ||||
| Satisfactory | 95 (74.8) | Referent | ||||
| Poor | 32 (25.2) | 2.6 (1.4–4.9) | 2.7 (1.4–5.0) | |||
OR: odds ratio, CI: confidence interval.
a)Data based on the number of implants within each parameter. b)Wald test.