Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Symptom severity
Systematic review	60 children (age 7–16 years) Data from 1 RCT	No improvement in Brief Psychiatric Rating Scale (BPRS) score 8 weeks with chlorpromazine (400 mg/day) with risperidone (0.5–5 mg/day) Absolute results not reported	RR 1.2 95% CI 0.41 to 3.51		Not significant