Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Recovery of motor function
Systematic review	768 people 3 RCTs in this analysis	Proportion of people with incomplete recovery end of trial 113/384 (29%) with antivirals 58/384 (15%) with corticosteroids	RR 2.82 95% CI 1.09 to 7.32 P = 0.03	Moderate effect size	corticosteroids