Table 4.
Spearman Rank Correlation Coefficients, p-values and sample sizes for the pairwise correlation between biomarkers and explanatory variables, and periodontal status and subject characteristics (N=63)
| Rank Correlation r (P-value)* |
Periodontal Status |
IL1RA | sCD40L | GranzymeB | AFP |
|---|---|---|---|---|---|
| Plaque index | 0.43 (0.0004) | 0.26 (0.039) | −0.25 (0.0459) | 0.020 (0.88) | 0.25 (0.048) |
| BMI | 0.07 (0.59) | 0.17 (0.18) | −0.26 (0.043) | 0.14 (0.28) | −0.19 (0.14) |
| Waist Circumference | 0.26 (0.038) | 0.13 (0.32) | −0.203 (0.11) | −0.103 (0.42) | −0.06 (0.62) |
| Fat % | −0.02 (0.88) | 0.14 (0.28) | −0.20 (0.11) | 0.293 (0.020) | −0.16 (0.22) |
| Periodontal Status | 1 | 0.25 (0.046) | −0.27 (0.031) | −0.154 (0.26) | 0.08 (0.55) |
*
Significance probability associated with the test of the null hypothesis of zero correlation based upon the Spearman rank test. The r values in bold reached statistical significance (p<0.05).