TABLE 3.
Summary of pyrH genotypes and numbers of cloned pyrH gene sequences recovered from the periodontitis and gingivitis subject groups
| Parameter | Median no. (range) in group with: |
P valuea | |
|---|---|---|---|
| Periodontitis | Gingivitis | ||
| pyrH genotypes identified | 7 (4–12) | 5 (4–7) | 0.034 |
| Cloned pyrH gene sequences obtained | 61.5 (59–81) | 61.5 (55–83) | 1.000 |
| Phylogroup 1 pyrH genotypes identified | 3.5 (2–6) | 3 (3–4) | 0.696 |
| Cloned pyrH gene sequences corresponding to phylogroup 1 treponeme species/phylotypes | 30 (29–30) | 30 (29–30) | 0.573 |
| Phylogroup 2 pyrH genotypes identified | 3 (2–6) | 1.5 (1–3) | 0.009 |
| Cloned pyrH gene sequences corresponding to phylogroup 2 treponeme species/phylotypes | 31.5 (30–52) | 31.5 (26–53) | 0.829 |
a
Mann-Whitney U test. P values of <0.05 are indicated with boldface.