Table 1. The frequencies of large normal alleles of ATXN3.

Number of CAG repeats	Present study	Japanese			Indian			Czech			Combined Population
	Frequency	Frequency	χ2	P	Frequency	χ2	P	Frequency	χ2	P	Frequency	χ2	P
>27	0.28	0.21	5.098	0.024	0.12	80.588	0.000	0.09	33.809	0.000	0.17	16.549	0.000
>28	0.14	0.11	2.150	0.143	0.08	23.948	0.000	0.04	15.293	0.000	0.11	4.133	0.042
>29	0.09	0.07	1.294	0.255	0.04	19.630	0.000	0.04	6.071	0.014	0.08	0.257	0.612
>30	0.07	0.05	0.950	0.330	0.03	15.404	0.000	0.03	4.275	0.039	0.07	0.023	0.880
>31	0.05	0.05	0.127	0.722	0.02	11.956	0.001	0.01	5.643	0.018	0.05	0.300	0.584