Table 1. HTT haplotype frequency in East Asia and Europe (number of chromosomes are indicated in brackets).

	General population		HD chromosomes
	East Asia	Europe	East Asia	Europe
Avg CAG	16.9	17.8	45.1	45.0
N	73	428	31	199
A-1	0.00	0.07 (29)	0.00	0.50 (100)
A-2	0.00	0.13 (54)	0.00	0.29 (57)
A-3	0.03 (02)	0.12 (50)	0.00	0.11 (22)
A-4	0.11 (08)	0.09 (37)	0.00	0.02 (03)
A-5	0.27 (20)	0.06 (27)	0.13 (04)	0.00
A-Other	0.00	0.01 (05)	0.00	0.02 (05)
B	0.16 (12)	0.04 (19)	0.10 (03)	0.00
C	0.40 (29)	0.47 (200)	0.77 (24)	0.02 (05)
Other	0.03 (02)	0.02 (07)	0.00	0.04 (07)