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Table 1 Summary of the sample demographics

From: Resequencing analysis of five Mendelian genes and the top genes from genome-wide association studies in Parkinson’s Disease

Series n Age at onset mean ± SD (range) in years Age at clinical assessment mean ± SD (range) in years Male: Female ratio Caucasian (%)
Total PD 478 61.3 ± 10.6 (40–86) 67.6 ± 10.0 (41–90) 297:181 99
Familial PD 126 59.0 ± 10.9 (40–85) 65.8 ± 11.0 (42–86) 73:53 89
EOPD 83 44.68 ± 2.95 (38–49) 53.4 ± 6.6 (43–71) 51:32 99
Control 337   64.8 ± 10.2 (30–85) 117:220 92