. Author manuscript; available in PMC: 2011 Feb 1.

Published in final edited form as: Nature. 2010 Aug 26;466(7310):1069–1075. doi: 10.1038/nature09320

Table 1.

Increased frequency of intermediate-length Ataxin-2 polyQ repeat expansions in ALS

	Total	≤ 26 Repeats	27–33 Repeats	% 27–33 Repeats	P-value	OR (95% CI)
ALS	915	872	43	4.7%	3.6×10⁻⁵	2.80 (1.54–5.12)
Neurologically normal	980	966	14	1.4%

OR, odds ratio; CI, confidence interval