Table 1. Main Prevalence Studies of Tremor in Multiple Sclerosis.

Reference	Sample	Prevalence
Weinshenker et al.9	259 patients selected from a regional multiple sclerosis clinic (Ontario, USA)	33%
Alusi et al.10	100 patients randomly selected from a London multiple sclerosis unit	58% (Severe in 15%)
Pittock et al.11	200 patients selected from a community-based study (Minnesota, USA)	25.5% (Severe in 3%)