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. Author manuscript; available in PMC: 2013 Apr 11.
Published in final edited form as: Parkinsonism Relat Disord. 2009 Nov 25;16(3):177–180. doi: 10.1016/j.parkreldis.2009.11.002

Table 1.

Characteristics of the PD groups.

Cognitively Intact (N = 34) MCI (N = 38)
Age at onset of PD 58.2 (9.9) 57.4 (11.2)
Age at testing 63.7 (9.5) 66.0 (10.0)
Education 16.0 (2.5) 15.4 (2.5)
Duration of PDa 5.8 (4.3) 8.7 (5.2)
% Male 67.6% 81.5%
MMSEb 29.0 (1.2) 27.1 (2.1)
a

p < 0.05.

b

p < 0.001.