Polymorphisms in Glutathione S-Transferase M1, T1, and P1 in Patients with Chronic Periodontitis: A Pilot Study

Table 2

Sociodemographic and disease characteristics of the study groups.

	Nonsmokers	Smokers
Age (years)
Mean ± SD	53.43 ± 13.6	44.43 ± 7.39
(interval)	(25–72)	(28–62)
Gender (%)
Male	16 (53.3)	26 (86.7)
Female	14 (46.7)	4 (13.3)
Education (%)
Illiterate	1 (3.3)	2 (6.7)
Elementary School	12 (40)	10 (33.3)
High school	9 (30)	5 (16.7)
College	4 (13.3)	6 (20)
Professional	4 (13.3)	7 (23)
^aFMPS
Mean ± SD	54.20 ± 17.68	48.0 ± 14.21
(interval)	(28–97)	(26–80)
Calculus
Mean ± SD	22.80 ± 13.42	20.67 ± 7.19
(interval)	(4–68)	(8–34)
Teeth present
Mean ± SD	25.63 ± 4.38	23.83 ± 4.19
(interval)	(13–31)	(12–30)
Disease severity (%)
Mild	11 (36.7)	12 (40)
Moderate	14 (46.7)	14 (46.7)
Serious	5 (16.7)	4 (13.3)

Full mouth plaque score.