Table 3. Genotype And Allele Frequencies Obtained For The TNF-A G-308A Polymorphism In Patients With Idiopathic Dilated Cardiomyopathy (IDC) And Controls.

	Genotype			Allele
	11	12	22	1	2
IDC (n = 331)	218 (0.66)	6 (0.29)	16 (0.05)	532 (0.81)	128 (0.19)
Control (n = 349)	265 (0.76)	72 (0.21)	12 (0.03)	602 (0.86)	96 (0.14)

Numbers in parentheses represent frequencies. Odds ratios and confidence intervals for relationships between genotype and IDC are given in the text.