Table 2.

UGT1A1*28 genotype and allelic frequency in HD patients and healthy subjects

GenotypeHD Patients (n = 661)Healthy Controls (n = 152)
6/6, n (%)429 (65.9)103 (67.7)
6/7, n (%)217 (32.8)46 (30.3)
7/7, n (%)15 (2.3)3 (2.0)
7-allelic frequency0.1870.172