Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Repetition of deliberate self-harm
Systematic review	141 people, age range not reported, with a history of deliberate self-harm who had been admitted to hospital for 3-day crisis intervention after an episode of self-harm	Repetition of deliberate self-harm 3 months 12/68 (18%) with same therapist 4/73 (5%) with different therapist	RR 3.22 95% CI 1.09 to 9.51 Possible bias; for full details, see further information about studies	Moderate effect size	different therapist