Table 1.

Allele and genotype frequencies. Data are presented as raw counts with percentage in parentheses

	Allele Frequency		Genotype Frequency
	Val	Met	Val/Val	Val/Met	Met/Met
Total (N=102)	165 (80.9)	39 (19.1)	67 (65.7)	31 (30.4)	4 (3.9)
Hispanic (N=12)	17 (70.8)	7 (29.2)	5 (41.7)	7 (58.3)	0 (0)
Caucasian (N=57)	87 (76.3)	27 (23.7)	34 (59.7)	19 (33.3)	4 (7.0)
African-American (N=20)	39 (97.5)	1 (2.5)	19 (95)	1 (5)	0
Asian (N=12)	21 (87.5)	3 (12.5)	9 (75)	3 25)	0
American Indian (N=1)	1 (50)	1 (50)	0	1 (100)	0