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. Author manuscript; available in PMC: 2015 Mar 17.
Published in final edited form as: JAMA Neurol. 2014 Sep;71(9):1162–1171. doi: 10.1001/jamaneurol.2014.994

Table 2. Demographic and clinical characteristics of study sample by disease status.

Demographic and clinical characteristics of individuals included in the statistical analysis.

Disease status Overall
Variable Unaffected Affected
Individuals [n (%)] 10 (27%) 27 (73%) 37 (100%)
Gender
Male [n (%)] 1 (7.14%) 13 (92.86%) 14 (37.84%)
Female [n (%)] 9 (39.13%) 14 (60.87%) 23 (62.16%)
Members per family [median (range)] NA NA 2 (1-7)
Age at Onset [median (range)] NA 47 (31-71) 47 (31-71)
Duplication size [median (range)]2 0.6 (0.4-3.47) 0.63 (0.2-5) 0.6 (0.2-5)
Composite score [median (range)] 0 (0-0) 2 (0-6) 2 (0-6)
2

Mean (standard deviation-SD): 1.17 (1.22) (unaffected), 2.09 (2.12) (affected), 1.84 (1.95) (overall)