Table 2.
Prevalence of periodontal pathogens detected by PCR (n = 74).
| Bacteria, % (n) | DM + CP (n = 27) | CP (n = 27) | DM (n = 20) |
|---|---|---|---|
| P. gingivalis 1 | 59.3 (16) | 81.5 (22) | 55.0 (11) |
| P. intermedia 1 | 44.4 (12)b∗ | 77.8 (21)a | 30.0 (6)b∗∗ |
| T. forsythia 2 | 100.0 (27) | 100.0 (26)† | 90.0 (18) |
| T. denticola 2 | 88.9 (24) | 100.0 (27) | 70.0 (14) |
| C. rectus 2 | 100.0 (27) | 100.0 (27) | 100.0 (20) |
| A. actinomycetemcomitans 2 | 7.4 (2) | 11.1 (3) | 0.0 (0) |
Different letters indicate statistically significant differences, adjusting for age, gender, smoking status, and ethnicity.
1Chi-square test.
2Fisher's exact test.
†One sample was excluded from the analysis.
∗ P < 0.05.
∗∗ P < 0.01.