Oxidative Stress Parameters in Saliva and Its Association with Periodontal Disease and Types of Bacteria

Table 4

Oxidative stress parameters and number of different bacteria.

Number of different types of bacteria	Oxidative stress parameters
	8-OHdG^1,2	MDA^1,2	TAOC^2	SOD	GPx^1,2
	(ng/mL)	(nM)	(mM)	(U/mL)	(U/L)
0	1.48	2.52	0.89	3.58	70.8
	(1.21–1.75)	(2.09–2.95)	(0.76–1.03)	(3.34–3.81)	(67.3–74.3)
1	2.85	4.46	0.96	3.87	82.4
	(2.50–3.19)	(4.03–4.88)	(0.86–1.05)	(3.60–4.14)	(79.9–84.8)
2	4.62	6.64	1.06	3.45	89.6
= 16	3.57–5.66	5.48–7.79	(0.90–1.21)	(3.16–3.74)	(83.6–95.7)
3	5.71	6.78	1.13	3.66	94.7
	(4.88–6.56)	(5.22–8.33)	(1.01–1.26)	(3.17–4.13)	(91.1–98.3)
4	7.07	9.41	1.17	3.37	103.8
	(6.44–7.69)	(6.18–12.6)	(0.83–1.52)	3.17–3.57	(98.9–108.6)

Means and 95% confidence interval. ¹Kruskal-Wallis test ; ²Jonckheere-Terpstra test .