Characteristics of the patients divided by the clinical diagnosis of periodontitis or the presence of Porphyromonas gingivalis in subgingival biofilm.
Continuous variables were expressed as mean ± SD. The difference of continuous variables between two groups were analyzed by students’ t-test and those among three groups were analyzed by Kruskal-Wallis test. Categorical variables were expressed as percentages (numbers). The difference of categorical variables between two groups was analyzed by Pearson’s qui-squared test and those among three groups were analyzed by Kruskal-Wallis test. EWP: periodontitis classification criteria of the 5th European Workshop in Periodontology in 2005; SDAI: simplified disease activity index; mHAQ: modified health assessment questionnaire; N.D.: not determined; N.A.: not assessed
*: p<0.05 Pg was not analyzed in one patient because DNA of subgingival plaque sample was not successfully extracted.
Characteristics of the patients divided by the clinical diagnosis of periodontitis or the presence of Porphyromonas gingivalis in subgingival biofilm.