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

Table 2

Pairwise comparison using Mann–Whitney test (serum).

Dependent variable	() condition	() condition	Mean difference ()	⁢95% confidence interval		statistic^#	value
				Lower	Upper
Serum TAC (mM/L)	CP	IHD + CP	0.10	−0.07	0.29	99.50	0.007
		IHD + H	−0.12	−0.30	0.06	103.00	0.009
		H	−0.35	−0.54	−0.17	61.50	<0.001
	IHD + H	IHD + CP	0.23	0.04	0.41	27.00	<0.001
		H	−0.23	−0.41	−0.05	130.00	0.058 (NS)
	H	IHD + CP	0.46	0.28	0.65	27.00	<0.001
Serum SOD (U/mg Hb)	CP	IHD + CP	−0.45	−3.59	2.69	163.00	0.317 (NS)
		IHD + H	−7.97	−11.12	−4.83	36.00	<0.001
		H	−2.61	−5.76	0.52	118.0	0.027
	IHD + H	IHD + CP	7.52	4.37	10.66	23.00	<0.001
		H	5.36	2.21	8.50	59.50	<0.001
	H	IHD + CP	2.16	−0.98	5.30	123.00	0.037
Serum GPx (U/mg Hb)	CP	IHD + CP	31.10	−24.23	86.43	164.50	0.337 (NS)
		IHD + H	59.70	4.36	115.03	120.50	0.031
		H	−11.50	−66.83	43.83	171.00	0.433 (NS)
	IHD + H	IHD + CP	−28.60	−83.93	26.73	165.00	0.343 (NS)
		H	−71.20	−126.53	−15.86	68.50	<0.001
	H	IHD + CP	42.60	−12.73	97.93	119.50	0.029
Serum CAT (U/mg Hb)	CP	IHD + CP	0.56	−3.45	4.59	180.50	0.598 (NS)
		IHD + H	3.57	−0.45	7.59	91.50	0.003
		H	−1.12	−5.15	2.89	187.50	0.735 (NS)
	IHD + H	IHD + CP	−3.00	−7.03	1.01	71.50	0.001
		H	−4.70	−8.72	−0.67	59.00	<0.001
	H	IHD + CP	1.69	−2.33	5.71	164.00	0.330 (NS)

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