Adverse events according to group

Adverse eventMemantine
(n = 17)
Sodium valproate
(n = 16)
Clinical severity CTCAE
Any adverse event87Grade 1 mild
Somnolence46Grade 1 mild
Poor concentration20Grade 1 mild
Parasomnia01Grade 1 mild
Dizziness20Grade 1 mild

CTCAE: common terminology criteria for adverse event (from US Department of Health and human services)