Reference | Age of onset (years, range) | Tremor-predominant | Akinetic-rigidity-predominant | Responses to levodopa | Other features | Ethnicity |
---|---|---|---|---|---|---|
Vilarin˜o-Gu¨ell C et al., 2011 [4] | 50.6 ± 7.3 (42–64) | + | – | Good | – | Swiss, American, Tunisian, Yemenite Jews |
Sheerin UM et al., 2012 [7] | 42.7 ± 5.1 (35–52) | + | + | Good | Olfactory dysfunction, dementia | British |
Ando M et al., 2012 [8] | 48.3 ± 10.3 (34–62) | + | – | Good | – | Japanese |
Struhal W et al., 2014 [13] | 50 (40–68) | + | + | Good | Depression | Australian |
Current study | 42–52 | + | – | Good | Dementia | Taiwanese |