Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Proportion of people with PTSD
RCT	20 people in an intensive care unit with septic shock	Proportion of people with PTSD (assessed by Structured Clinical Interview using DSM-IV criteria for PTSD) 31 months 1/9 (11%) with intravenous hydrocortisone 7/11 (64%) with saline	RR 0.07 95% CI 0.01 to 0.80 The results of this RCT may not be generalisable to people with trauma not induced by septic shock	Large effect size	intravenous hydrocortisone