Table 1.
The relationship of baseline clinical parameters with salivary proinflammatory cytokines and representative bacterial species in the oral microbiota of patients (n = 72) with periodontal disease.
| Characteristics | PI (%) | BOP (%) | PPD (Mean; mm) |
|---|---|---|---|
| Salivary proinflammatory cytokines | |||
| Interleukin-6 | 0.08 | 0.08 | 0.13 |
| Interleukin-8 | −0.14 | 0.45 *** | 0.49 *** |
| Tumor necrosis factor-α | −0.05 | 0.00 | 0.04 |
| Selected oral microbiota species | |||
| Porphyromonas gingivalis | −0.14 | −0.11 | −0.03 |
| Prevotella intermedia | −0.20 | −0.05 | −0.06 |
| Fusobacterium nucleatum | −0.04 | −0.13 | −0.08 |
| Aggregatibacter actinomycetemcomitans | −0.03 | −0.02 | −0.10 |
Data are presented as correlation coefficients. *** p < 0.0001; PI: plaque index; BOP: bleeding on probing; PPD: probing pocket depth.