Table 3.
Demographic Features of Affected Individuals
Averagea |
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Population | Age(years) | Disease Duration(years) | EDSS | RR(%) | SP(%) | PP(%) |
Australian | 53.6 | 15.8 | 3.5b | 64 | 24 | 12 |
Scandinavian | 49.5 | 19.1 | 4.7 | 49 | 32 | 19 |
British | 45.0 | 15.7 | 4.5 | 57 | 28 | 15 |
American | 45.3 | 15.4 | 5.5 | 62 | 34 | 4 |
EDSS = Expanded Disability Status Scale; RR = Relapse Remitting; SP = Secondary Progressive; PP = Primary Progressive.
The EDSS was not determined for these patients; instead, the average “disease steps” measure is shown (Hohol et al. 1999).