The impact of initial depression and anxiety levels on symptom severity change during psychological treatment for common mental disorders: a systematic review

Key Points

• The research aims to explore how initial levels of depression and anxiety affect symptom changes during psychological treatments.
• Conducted a systematic review of existing literature
• Analyzed data from studies focusing on psychological interventions
• Examined the correlation between initial symptom severity and treatment outcomes
• Initial severity of anxiety and depression influences symptom change
• Non-response patterns are associated with varying initial levels of anxiety and depression
• Gaps in understanding treatment responses among different individuals highlighted.