TABLE 2.

Allele and genotype frequencies in the populations studied

Allele or genotype	Frequency (no. found/no. analyzed) per population
	EOP patients		Healthy controls
	Caucasians (n = 76)	African-Americans (n = 44)	Caucasians (n = 80)	African-Americans (n = 80)
Alleles
C	0.79 (120/152)	0.92 (81/88)	0.77 (123/160)	0.95 (152/160)
G	0.21 (32/152)	0.08 (7/88)	0.23 (37/160)	0.05 (8/160)
Genotypes
C/C	0.62 (47/76)	0.84 (37/44)	0.60 (48/80)	0.90 (72/80)
C/G	0.34 (26/76)	0.16 (7/44)	0.34 (27/80)	0.10 (8/80)
G/G	0.04 (3/76)	0 (0/44)	0.07 (5/80)	0 (0/80)