# Economic evidence of clinical decision support systems in mental health: A systematic literature review

## TL;DR

This paper reviews the economic impact of clinical decision support systems in mental health, finding limited evidence but suggesting potential benefits.

## Contribution

The study provides a systematic review of economic evidence for CDSS in mental health, highlighting a lack of sufficient research.

## Key findings

- A single study found a 50% symptom reduction in 60% of the intervention group using CDSS.
- The incremental cost-effectiveness ratio was €57 per year per 1% of patients with successful treatment.

## Abstract

Mental health conditions are among the highest disease burden on society, affecting approximately 20% of children and adolescents at any point in time, with depression and anxiety being the leading causes of disability globally. To improve treatment outcomes, healthcare organizations turned to clinical decision support systems (CDSSs) that offer patient-specific diagnoses and recommendations. However, the economic impact of CDSS is limited, especially in child and adolescent mental health. This systematic literature review examined the economic impacts of CDSS implemented in mental health services. We planned to follow PRISMA reporting guidelines and found only one paper to describe health and economic outcomes. A randomized, controlled trial of 336 participants found that 60% of the intervention group and 32% of the control group achieved symptom reduction, i.e. a 50% decrease as per the Symptom Checklist-90-Revised (SCL-90-R), a method to evaluate psychological problems and identify symptoms. Analysis of the incremental cost-effectiveness ratio found that for every 1% of patients with a successful treatment result, it added €57 per year. There are not enough studies to draw conclusions about the cost-effectiveness in a mental health context. More studies on economic evaluations of the viability of CDSS within mental healthcare have the potential to contribute to patients and the larger society.