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. 2011 Jul 11;7(3):465–469. doi: 10.5114/aoms.2011.23413

Table V.

Comparison of Rankin scale in the dexrtromethorhpan and placebo group at day 90

Treatment group N Mean Standard deviation Standard error
Dextromethorphan 20 3.55 1.63 0.36
Placebo 20 2.8 1.90 0.42