Table 3.
Comparison between aggressive periodontitis and chronic periodontitis according to the absence or presence of periopathogens
| Bacterium | AgP (n = 20) | ChP (n = 32) | df | P value | CI | Power (%) |
|---|---|---|---|---|---|---|
| P. gingivalis | ||||||
| Absent | 10.0 | 0 | 1 | 0.143a | - | 44.6 |
| Present | 90.0 | 100 | ||||
| T. forsythia | ||||||
| Absent | 10.0 | 0 | 1 | 0.143a | - | 46.6 |
| Present | 90.0 | 100 | ||||
| T. denticola | ||||||
| Absent | 0 | 0 | - | - | - | |
| Present | 100 | 100 | - | - | - | |
| A. actinomycetemcomitans | ||||||
| Absent | 90 | 100 | 1 | 0.143a | - | 0.446 |
| Present | 10 | 0 | ||||
| P. intermedia | ||||||
| Absent | 30.0 | 25 | 1 | 0.693b | (0.369–4.474) | 0.069 |
| Present | 70.0 | 75 |
AgP = aggressive periodontitis, A. actinomycetemcomitans = Aggregatibacter actinomycetemcomitans, ChP = chronic periodontitis, P. intermedia = Prevotella intermedia, P. gingivalis = Porphyromonas gingivalis, T. forsythia = Tannerella forsythia, T. denticola = Treponema denticola, df = degree of freedom, CI = confidence interval
The data are shown as the percentage
aFisher exact test
bChi-square test