Table 1. Characteristics of the patients.

Variables	Chronic periodontitic patients		Healthy patients
	Number	%	Number	%
Gender
Male	10	76.9	3	33.3
Female	3	23.1	6	66.7
Age (years)	48.3 ± 8.5		20.33 ± 3.6
Tobacco
User	8	61.5	4	44.4
Non-user	5	38.5	5	55.6
Probing pocket depth (mm)	5.3 ± 1.9		NA*
Clinical attachment level (mm)	7.8 ± 1.9		NA*
Bleeding on probing	13	100	0	0

* NA: Not applicable

Variables: mean values [SD]