TABLES

Relative frequency of autosomal dominant ataxias

(modified from Table 3. of Sequeiros J, Martins S, Silveira I: Epidemiology and population genetics of degenerative ataxias. Chapt. 14.
In: Subramony SH, Dürr A: Ataxic Disorders. Handbook of Clinical Neurology, 3rd series, vol. 103, pp.225-248. Elsevier, Edinburgh, 2011)

Country AD families described (n) Relative frequency (% families) References
SCA1DRPLASCA2MJDSCA6SCA7SCA8SCA10SCA12SCA17Other
Australia88160612172----47(Storey et al., 2000)
Brazil (Rio Grande Sul)1141048421-2006(Jardim et al., 2001; Trott et al., 2006)
China1206074931----34(Jiang et al., 2005)
Finland49402021218---62(Juvonen et al., 2005)
France14615-10321-----42(Stevanin et al., 1997)
Germany779-104222-----17(Schöls et al., 1997)
India42/778/160/026/255/30/00/3---/6-61/47(Saleem et al., 2000; Srivastava et al., 2001)
Italy116/18324/21<1/147/240/12/12/1-/1-/0-/0-/124/50(Filla et al., 2000; Brusco et al., 2004)
Japan33067228261----30(Maruyama et al., 2002)
Korea870313570----72(Jin et al., 1999)
Mexico2800437011-14--25(Rasmussen et al., 2000)
Netherlands1456-728158----36(van de Warrenburg et al., 2002)
Poland(650 pts)58 fams0(26 pts)0007 fams-01 fam?(Sulek et al., 2003)
Portugal269<15252<11200<136(Silveira et al., 2002 and personal communication)
Serbia38340130000-0053(Dragašević et al., 2006)
Singapore39116334160003-0(Zhao et al., 2002)
South Africa5441-134222----18(Bryer et al., 2003)
Spain7261151513----59(Pujana et al., 1999)
Taiwan811-113201----55(Tsai et al., 2004)
UK1937-475------11(Giunti et al., 1998)
USA1786-15211545---34(Moseley et al., 1998)

Highlighted is the number of families of the SCA more frequent in each series.