Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
Systematic review	22 people Data from 1 RCT	Proportion of people who needed anticholinergic medication 3/11 (27%) with depot haloperidol 1/11 (9%) with oral haloperidol	RR 3.21 95% CI 0.39 to 26.67 P = 0.28 This RCT is likely to have been too small to detect a clinically important difference		Not significant