Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
RCT	65 people with CFS (CDC 1998 criteria) In review	Adverse effects with hydrocortisone (25–35 mg/day) with placebo
RCT Crossover design	32 people with CFS In review	Adverse effects with hydrocortisone (5 or 10 mg/day) with placebo