Table 2

Sample size calculation
Outcome measure Clinically significant difference Standard deviation Number of participants required per group
6MAT (Heart Rate) 8 b/m 14.5 60
FSS 1 point 1.1 48

Murray et al.

Murray et al. BMC Neurology 2012 12:157   doi:10.1186/1471-2377-12-157

Open Data