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

Table 2

Oxidative stress parameters and bleeding on probing (BOP).

BOP	Oxidative stress parameters
	8-OHdG^1,2	MDA^1,2	TAOC^2	SOD	GPx^1,2
	(ng/mL)	(nM)	(mM)	(U/mL)	(U/L)
0–15%	2.65	4.08	0.91	3.47	77.72
= 26	(1.92–3.38)	(3.09–5.07)	(0.79–1.02)	(3.21–3.74)	(73.2–82.3)
16–30%	3.63	5.16	0.99	3.84	84.98
= 30	(2.99–4.26)	(4.31–6.01)	(0.89–1.09)	(3.54–4.15)	(81.1–88.9)
>30%	4.12	5.71	1.08	3.65	88.5
= 30	(3.25–4.99)	(4.72–6.69)	(0.99–1.18)	(3.49–3.81)	(83.9–93.1)

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