TABLE 3.

Detection of I025-subgroup DNA by real-time PCR in relation to disease category

Disease status	No. of samples	No. of samples with detectable I025 rDNA	Percentage of samples with detectable I025 rDNA
Healthy	18	1	6
Gingivitis	5	4	80
Mild periodontitis	17	11	65
Moderate periodontitis	15	10	67
Severe periodontitis	21	13	62
Total	76	39	51