. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: Mov Disord. 2015 Mar 24;30(7):936–944. doi: 10.1002/mds.26172

Table 1.

Population description.

	PD	Controls	χ² p-value

	n=85	n=161
% Female	24	58	< 0.0001
% White	98	92	0.170
% APOE ε4+	25	37	0.060
Mean Age (Minimum-Maximum)	67 (48–83)	68 (52–88)	0.454
Mean Age-at-motor symptom onset (Minimum-Maximum)	57 (28–76)
MMSE (Minimum-Maximum)	27.6 (10–30)