Table 2. The prevalence of P. gingivalis and fimA genotypes in two groups.
| control group | case group | |||||
|---|---|---|---|---|---|---|
| T0 | T0 | T1 | T2 | T3 | T4 | |
| P. gingivalis | 13 (23.21) | 16 (26.23) | 25 (42.62)*† | 31 (50.82)**†† | 51 (83.61)**†† | 26 (42.62)*† |
| I | 6 (10.71) | 7 (11.48) | 7 (11.48) | 7 (11.48) | 11 (18.03) | 9 (14.75) |
| Ib | 3 (5.36) | 3 (4.92) | 4 (6.56) | 3 (4.92) | 5 (8.20) | 2 (3.28) |
| II | 2 (3.57) | 2 (3.28) | 4 (6.56) | 5 (8.20) | 9 (14.75)*† | 8 (13.11) |
| III | 4 (7.14) | 2 (3.28) | 3 (4.92) | 4 (6.56) | 7 (11.48) | 7 (11.48) |
| IV | 2 (3.57) | 2 (3.28) | 3 (4.92) | 7 (11.48) | 15 (24.59)**†† | 10 (16.39)*† |
| V | 5 (8.93) | 6 (9.84) | 6 (9.84) | 14 (22.95) | 22 (36.07)**† | 13 (21.31) |
| untypeable | 3 (5.36) | 5 (8.20) | 5 (8.20) | 8 (13.11) | 8 (13.11) | 4 (6.56) |
Chi-squared test was used to compare detection rates of P. gingivalis and fimA genotypes between two groups.
* P<0.05,
** P<0.01.
The McNamara test was utilized to compare the prevalence of P. gingivalis and fimA genotypes in case groups.
† P<0.05,
†† P<0.01.