Table 3.
Evaluation of bacteria at sites according to probing depth.
| Probing depth (mm) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Bacteria | ≤3 | 4 to 5 | 6 to 7 | ≥8 | Total Group | p-value | |||||
| n | % | n | % | n | % | n | % | N | % | ||
| • A. actinomycetemcomitans | |||||||||||
| Positive | 1 | 33.3 | 8 | 20.5 | 13 | 29.5 | 10 | 33.3 | 32 | 27.6 | p(†) = 0.591 |
| Negative | 2 | 66.7 | 31 | 79.5 | 31 | 70.5 | 20 | 66.7 | 84 | 72.4 | |
| • P. gingivalis | |||||||||||
| Positive | 1 | 33.3 | 9 | 23.1 | 21 | 47.7 | 23 | 76.7 | 54 | 46.6 | p(†) < 0.001* |
| Negative | 2 | 66.7 | 30 | 76.9 | 23 | 52.3 | 7 | 23.3 | 62 | 53.4 | |
| • T. forsythia | |||||||||||
| Positive | – | – | 12 | 30.8 | 16 | 36.4 | 20 | 66.7 | 48 | 41.4 | p(†) = 0.005* |
| Negative | 3 | 100.0 | 27 | 69.2 | 28 | 63.6 | 10 | 33.3 | 68 | 58.6 | |
| T. denticola | |||||||||||
| Positive | – | – | 12 | 30.8 | 15 | 34.1 | 12 | 40.0 | 39 | 33.6 | p(†) = 0.660 |
| Negative | 3 | 100.0 | 27 | 69.2 | 29 | 65.9 | 18 | 60.0 | 77 | 66.4 | |
| TOTAL | 3 | 100.0 | 39 | 100.0 | 44 | 100.0 | 30 | 100.0 | 116 | 100.0 | |
(*)
significant difference at 5.0%
(†)
Fisher’s exact test