Table 2.

Genotypes of study subjects compared with reported frequencies.

Genotype	Cases	Controls	Stubbins et al. [6]
*1/*1 (wild type)	0.70	0.58	0.62
*1/*2	0.17	0.29	0.19
*2/*2	0	0	0.03
*1/*3	0.13	0.13	0.15
*3/*3	0	0	0.01