Effect of Scaling and Root Planing on Detection of Tannerella forsythia in Chronic Periodontitis

Table 2

Detection frequency of T. forsythia in three groups at baseline.

Group	Presence of T. forsythia		Z-value
	H	D
Group 1	00	NA	NA
Group 2	01 (6.67%)	06 (40%)	2.33 (𝑃<0.05)
Group 3	02 (13.33%)	11 (73.33%)	4.17 (𝑃<0.05)
Fisher’s exact test	0.023
Group 2 versus group 3	(𝑃<0.05)

H: healthy sites, D: diseased sites, NA: not applicable.