Research Article
Oxidative Stress Parameters in Saliva and Its Association with Periodontal Disease and Types of Bacteria
Table 5
Predictive models of oxidative stress parameters.
| Dependent variable | Predictive variables | Coef. no Std. | Coef. tipif. |
Sig | Excluded variables |
| 8-OHdG
| Constant | 1.50 | | 0.00 | Gender male, smoker, and age | Periodontal disease | 1.89 | 0.45 | 0.00 | P. gingivalis fimA II | 1.03 | 0.22 | 0.00 | P. gingivalis fimA Ib | 2.67 | 0.31 | 0.00 | A. actinomycetemcomitans | 1.23 | 0.23 | 0.00 | T. forsythia | 0.56 | 0.14 | 0.00 | T. denticola | 1.27 | 0.28 | 0.00 |
| GPx
| Constant | 72.53 | | 0.00 | Gender male, smoker, and age | Enf. periodontal | 11.60 | 0.47 | 0.00 | T. forsythia | 4.53 | 0.18 | 0.00 | P. gingivalis fimA II | 5.70 | 0.21 | 0.00 | T. denticola | 6.87 | 0.26 | 0.00 | A. actinomycetemcomitans | 5.40 | 0.18 | 0.00 | P. gingivalis fimA Ib | 7.46 | 0.15 | 0.01 |
| SOD
| Constant | 3.30 | | 0.00 | Smoker, TF, and age | Periodontal disease | 1.34 | 0.99 | 0.00 | T. denticola | −0.68 | −0.47 | 0.00 | P. gingivalis fimA Ib | −1.20 | −0.42 | 0.00 | A. actinomycetemcomitans | −0.41 | −0.24 | 0.00 | P. gingivalis fimA II | −0.23 | −0.15 | 0.01 | Gender male | 0.16 | −0.12 | 0.03 |
| MDA
| Constant | 3.51 | | 0.00 | Gender male, Aa, age, and PD | T. denticola | 3.14 | 0.57 | 0.00 | T. forsythia | 1.32 | 0.26 | 0.00 | P. gingivalis fimA II | 1.12 | 0.19 | 0.01 | P. gingivalis fimA Ib | 2.28 | 0.21 | 0.01 | Smoker | −0.45 | −0.15 | 0.04 |
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