Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Symptom severity
[20] Systematic review	332 people 6 RCTs in this analysis	Response rate assessed through composite measure of anxiety severity (3 RCTs) and Hamilton Anxiety Rating Scale (HAM-A) (3 RCTs) post treatment 42% with cognitive therapy 28% with supportive therapy Absolute numbers not reported	RR 0.86 95% CI 0.70 to 1.06		Not significant
[20] Systematic review	332 people 6 RCTs in this analysis	Response rate assessed through composite measure of anxiety severity (3 RCTs) and HAM-A (3 RCTs) 6 months with cognitive therapy with supportive therapy Absolute numbers not reported	RR 0.79 95% CI 0.59 to 1.06		Not significant
[20] Systematic review	235 people 6 RCTs in this analysis	Anxiety symptoms post treatment with cognitive therapy with supportive therapy Absolute numbers not reported	SMD –0.40 95% CI –0.66 to –0.14	Effect size not calculated	CBT
[20] Systematic review	97 people 3 RCTs in this analysis	Anxiety symptoms 6 months with cognitive therapy with supportive therapy Absolute numbers not reported	SMD –0.42 95% CI –0.83 to –0.02	Effect size not calculated	CBT