TABLE 2.

Genotype distribution and allele frequencies (n=85)

	Genotype, n (%)			Allele frequency		Total alleles on chromosomes
	GG	GT	TT	G	T	G	T
SCF (n=66)	17 (26)	37 (56)	12 (18)	0.54	0.46	71	61
Control (n=19)	8 (42)	8 (42)	3 (16)	0.59	0.41	24	17
χ2	1.9			1.9		0.2
P	0.38			0.38		0.65
OR	1.1			1.1		–
95% CI	0.5–2.3			0.5–2.3		–

G Guanine; T Thymine; SCF Slow coronary flow