Genes	CAG repeat length of shorter allele		CAG repeat length of longer or expanded allele
	Mean±SD	Range	Mean±SD	Range
ATXN1	26.40±4.38	12-39	28.83±3.37	12-39
ATXN2	21.77±1.62	15-30	41.50±4.31	35-61
ATXN3	15.40±3.80	12-30	21.96±6.65	14-38
CACNA1A	11.91±3.68	4-27	13.74±2.71	7-27
ATXN7	9.93±1.01	8-13	10.33±1.35	8-17
TBP	35.84±1.49	27-40	36.86±1.49	32-42
ATN1	17.45±2.92	11-22	19.42±3.02	11-25
IT15	19.39±1.79	27-40	21.10±2.16	14-28
HDL2	15.01±0.78	11-18	15.53±1.03	14-19
RAI1	11.72±0.79	9-13	12.37±0.86	11-18
KCNN3	18.44±1.35	12-21	19.02±0.92	15-22