Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
[27] Systematic review	40 people Data from 1 RCT	Number of people with minor adverse effects 15 with citalopram 33 with amitriptyline	OR 0.13 95% CI 0.05 to 0.36 NNH 8 95% CI 3 to 20	Large effect size	citalopram