Table 3.
Multilevel Poisson Regression Analysis (considering the subject level) to assess the factors that influenced the percentage of bands densities (BDs) of histatin 5 degradation (n = 8/group).
| Univariate |
Adjusted |
||||
|---|---|---|---|---|---|
| Variable |
% BD (mean ± S.D.) |
IRR (CI 95%) |
p-value |
IRR (CI 95%) |
p-value |
| Groups | |||||
| G2 -Control (ref) | 64.04 (35.35) | ||||
| G3 -Gingivitis | 71.02 (32.07) | 1.10 (0.94–1.29) | 0.196 | 1.10 (0.95–1.29) | 0.184 |
| G1 -CP + Gingivitis | 50.61 (38.25) | 0.79 (0.64–0.96) | 0.022∗ | 0.81 (0.67–0.98) | 0.037∗ |
| Sex | |||||
| Female (ref) | 66.66 (34.67) | ||||
| Male | 55.21 (37.31) | 0.82 (0.70–0.97) | 0.024∗ | - | - |
| Age (years) | |||||
| Continuous | - | 1.12 (1.02–1.22) | 0.015∗ | 1.08 (1.00–1.17) | 0.037∗ |
| Salivary flow | |||||
| Continuous | - | 0.81 (0.47–1.42) | 0.482 | - | - |
| OHI–S | |||||
| Continuous | - | 0.99 (0.79–1.25) | 0.996 | - | - |
| Visible biofilm | |||||
| Continuous | - | 0.90 (0.62–1.32) | 0.615 | - | - |
| Calculus | |||||
| Continuous | - | 1.13 (0.78–1.66) | 0.499 | - | - |
| GI | |||||
| Continuous | - | 0.80 (0.60–1.06) | 0.126 | - | - |
| Time | |||||
| Continuous | - | 0.80 (0.76–0.83) | <0.001∗ | 0.80 (0.76–0.83) | <0.001∗ |
CP + gingivitis in relation to Gingivitis: IRR = 0.73; CI = 0.61–0.87; p = 0.001∗. CI = 95%; p < 0.05∗
S.D.: Standard deviation; ref: Reference; G1: CP with gingivitis; G2: without CP and without gingivitis; G3: without CP with gingivitis.