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Table 1 Age and sex distribution of the GenePD- PROGENI, Mayo-Perlegen LEAPS, and Milan, Italian study samples.

From: Genomewide association study for onset age in Parkinson disease

 

N

% Male

Mean Onset

Std Dev Onset

Range Onset

GenePD-PROGENI

857

59.2

61.9

10.9

19-90

Mayo-Perlegen LEAPS

440

61.6

61.0

11.2

30-94

Milan, Italian

747

59.4

55.2

10.8

20-81