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. 2013 May 27;2013:406483. doi: 10.1155/2013/406483

Table 3.

Follow-up cohort features.

M ± SD Median
Follow-up duration (years) 5.9 ± 1.8 5.2
Annualized relapse rate (relapse/year) 0.32 ± 0.25 0.25
Annualized relapse progression (ΔEDSS/year) 1.6 ± 1.0 1.0