TABLE 3.
The relation of occurrence of pathogenic species with teeth with periodontal pockets explained by means of Poisson regression models in study subjects (n = 1,198)
| Pathogenic species alone or in any combination | RR (95% CI) for teeth with PPD of:
|
|||||
|---|---|---|---|---|---|---|
| ≥4 mm
|
≥6 mm
|
|||||
| Unadjusted | Adjusteda | Adjustedb | Unadjusted | Adjusteda | Adjustedb | |
| Aggregatibacter actinomycetemcomitans | 1.3 (1.1-1.5) | 0.9 (0.8-1.1) | 1.0 (0.9-1.2) | 1.5 (1.1-2.1) | 0.8 (0.5-1.1) | 1.0 (0.7-1.5) |
| Campylobacter rectus | 1.2 (1.1-1.4) | 0.8 (0.7-1.0) | 0.9 (0.7-1.0) | 1.7 (1.2-2.3) | 0.8 (0.6-1.1) | 0.8 (0.6-1.2) |
| Porphyromonas gingivalis | 1.6 (1.4-1.8) | 1.2 (1.0-1.3) | 1.2 (1.0-1.3) | 3.1 (2.2-4.3) | 2.0 (1.4-2.8) | 1.7 (1.2-2.4) |
| Prevotella intermedia | 1.8 (1.6-2.0) | 1.2 (1.0-1.4) | 1.1 (1.0-1.3) | 3.4 (2.5-4.7) | 1.5 (1.0-2.2) | 1.4 (1.0-1.9) |
| Treponema denticola | 1.9 (1.7-2.1) | 1.3 (1.2-1.5) | 1.2 (1.0-1.4) | 3.5 (2.6-4.9) | 1.7 (1.2-2.6) | 1.4 (0.9-2.1) |
| Tannerella forsythia | 1.1 (0.9-1.2) | 0.8 (0.7-0.9) | 0.8 (0.7-0.9) | 0.8 (0.5-1.1) | 0.4 (0.3-0.6) | 0.5 (0.3-0.6) |
a
Adjusted by number of bacterial species.
b
Adjusted by age, sex, level of education, number of teeth, and smoking habits of the subjects and by number of bacterial species.