Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Repetition of deliberate self-harm
Systematic review	77 people aged >16 years Data from 1 RCT	Repetition of deliberate self-harm 16 weeks 3/38 (8%) with hospital admission for a median of 17 hours 4/39 (10%) with immediate discharge	Peto OR 0.75 95% CI 0.16 to 3.53 P = 0.72 The RCT was likely to have lacked power to detect a clinically important difference		Not significant