Table 2:
Correlation analysis of antibody responses with age to the various P. gingivalis strains. Correlation coefficients in bold are significantly correlated at least at p<0.05 using a Spearman Rank analysis. SUM denotes correlation of age and antibody as a summation of levels to all strains in each subject.
| Group (yrs.) | 33277 | 381 | W50 | W83 | A7A1–28 | A7436 | SUM |
|---|---|---|---|---|---|---|---|
| Total | 0.0292 | −0.1469 | −0.2730 | −0.0134 | −0.0312 | −0.1186 | −0.1382 |
| ≤35 | 0.0756 | −0.1007 | −0.0194 | 0.0741 | −0.0372 | −0.1728 | −0.0530 |
| 36–50 | 0.0339 | −0.0748 | −0.0439 | 0.0075 | −0.1795 | −0.1194 | −0.1187 |
| >50 | −0.0357 | 0.0343 | 0.2773 | 0.1104 | 0.1421 | −0.0584 | 0.0762 |