Estimation of Antioxidant Levels in Saliva and Serum of Chronic Periodontitis Patients with and without Ischemic Heart Disease

Table 4

Pairwise comparison using Mann–Whitney test.

Dependent variable	() condition	() condition	Mean difference ()	Std. error	⁢95% confidence interval		statistic^#	value
					Lower	Upper
Saliva GPx (g/g protein)	CP	IHD + CP	−0.01	0.02	−0.08	0.05	194.50	0.882 (NS)
		IHD + H	−0.06	0.02	−0.13	0.01	123.00	0.037
		H	0.04	0.02	−0.02	0.11	144.0	0.128 (NS)
	IHD + H	IHD + CP	0.05	0.02	−0.01	0.12	121.5	0.03
		H	0.10	0.02	0.03	0.17	39.50	<0.001
	H	IHD + CP	−0.05	0.02	−0.12	0.01	124.50	0.04

Mann–Whitney test; , statistically significant; , nonsignificant (NS).