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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: Cerebellum. 2018 Apr;17(2):143–151. doi: 10.1007/s12311-017-0882-5

Table 2.

Demographic characteristics of cohorts: non-diseased controls, ataxia cases without psychosis, and SCA cases with psychosis

Group Total n Mean age, years (stdev) Sex ratio (F/M) Mean PMI in hours (stdev)
Ataxia cases without psychosis 22 62.2 (18.6) 8/22 24.8 (34)
SCA psychosis cases 4 61.8 (16.3) 2/4 7.5 (2.7)
Non-diseased controls 12 75 (3.5) 4/12 21.2 (21.2)

None of the differences in age, sex, and pmi were found to be significantly different between groups. See the “Results” section for details