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. Author manuscript; available in PMC: 2009 Oct 1.

Published in final edited form as: Neurogenetics. 2008 Jul 29;9(4):249–262. doi: 10.1007/s10048-008-0137-1

Table 1.

Description of the study population as divided into families with sporadic and familial PD.

	Sporadic PD (N=337 families)		Familial PD (N=358 families)
	Cases	Controls	Cases	Controls
No.	337	389	732	791
No. (%) of males	222 (65.9)	164 (42.2)	430 (58.7)	351 (44.4)
No. (%) of females	115 (34.1)	225 (57.8)	302 (41.3)	440 (55.6)
Mean (SD^a) AAO, years	53.9 (12.4)	--	60.5 (12.3)	--
Mean (SD^a) AAE, years	62.1 (12.0)	64.6 (14.2)	69.0 (10.8)	66.4 (12.2)

^a

SD=standard deviation