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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Parkinsonism Relat Disord. 2011 May 31;17(8):629–631. doi: 10.1016/j.parkreldis.2011.05.003

Table 1.

Patient characteristics for each series

Series PD cases Healthy controls
Peru n=492 n=148
    Age 62.4 ±11.6 (27-89) 53.5 ±12.4 (24-85)
    Age at onset 62.0 ±12 (18-77) ---
    Early-Onset (≤50 years old) 124 (25.2%) ---
    Family History of PD 103 (20.9%) ---
    Gender
        Male 270 (54.9%) 47 (31.8%)
    Mestizo 486 (98.8%) 147 (99.3%)
    Caucasian 2 (0.4%) 0
    Other 4 (0.8%) 1 (0.7%)
Chilean n=358 n=162
    Age 71.8 ±8.8 (50-94) 67.6 ±8.8 (48-91)
    Age at onset * 63.0 ±8.9 (46-86) ---
    Early-Onset (≤50 years old) 32 (17.0%) ---
    Family History of PD 82 (22.9%) ---
    Gender
        Male 211 (58.9%) 84 (51.8%)
    Mestizo 358 (100%) 162 (100%)
    Caucasian 0 0
    Other 0 0
Uruguay n=205 ---
    Age 63.1 ±12.8 (18-85)
    Age at onset 56.0 ±13.4 (18-83)
    Early-Onset (≤50 years old) 63 (30.7%)
    Family History of PD 50 (24.4%)
    Gender
        Male 97 (47.3%)
    Mestizo 2 (1.0%)
    Caucasian 197 (96.1%)
    Other 6 (2.9%)
Argentina n=95 ---
    Age 62.2 ±11.2 (32-85)
    Age at onset 55.8 ±10.9 (29-83)
    Early-Onset (≤50 years old) 33 (34.7%)
    Family History of PD 25 (26.3%)
    Gender
        Male 56 (58.9%)
    Mestizo 0
    Caucasian 94 (98.9%)
    Other 1 (1.1%)

- The sample mean ± SD (minimum – maximum) is given for age and age at onset.

*

Data missing for 170 individuals