Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis

Abstract Background Guidance in England recommends psychosocial assessment when presenting to hospital following self-harm but adherence is variable. There is some evidence suggesting that psychosocial assessment is associated with lower risk of subsequent presentation to hospital for self-harm, b...

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Main Authors: David McDaid, A-La Park, Apostolos Tsiachristas, Fiona Brand, Deborah Casey, Caroline Clements, Galit Geulayov, Nav Kapur, Jennifer Ness, Keith Waters, Keith Hawton
Format: Article
Language:English
Published: Cambridge University Press 2022-01-01
Series:European Psychiatry
Subjects:
Online Access:https://www.cambridge.org/core/product/identifier/S0924933822000050/type/journal_article
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author David McDaid
A-La Park
Apostolos Tsiachristas
Fiona Brand
Deborah Casey
Caroline Clements
Galit Geulayov
Nav Kapur
Jennifer Ness
Keith Waters
Keith Hawton
author_facet David McDaid
A-La Park
Apostolos Tsiachristas
Fiona Brand
Deborah Casey
Caroline Clements
Galit Geulayov
Nav Kapur
Jennifer Ness
Keith Waters
Keith Hawton
author_sort David McDaid
collection DOAJ
description Abstract Background Guidance in England recommends psychosocial assessment when presenting to hospital following self-harm but adherence is variable. There is some evidence suggesting that psychosocial assessment is associated with lower risk of subsequent presentation to hospital for self-harm, but the potential cost-effectiveness of psychosocial assessment for hospital-presenting self-harm is unknown. Methods A three-state four-cycle Markov model was used to assess cost-effectiveness of psychosocial assessment after self-harm compared with no assessment over 2 years. Data on risk of subsequent self-harm and hospital costs of treating self-harm were drawn from the Multicentre Study of Self-Harm in England, while estimates of effectiveness of psychosocial assessment on risk of self-harm, quality of life, and other costs were drawn from literature. Incremental cost-effectiveness ratios (ICERs) for cost per Quality Adjusted Life Year (QALY) gained were estimated. Parameter uncertainty was addressed in univariate and probabilistic sensitivity analyses. Results Cost per QALY gained from psychosocial assessment was £10,962 (95% uncertainty interval [UI] £15,538–£9,219) from the National Health Service (NHS) perspective and £9,980 (95% UI £14,538–£6,938) from the societal perspective. Results were generally robust to changes in model assumptions. The probability of the ICER being below £20,000 per QALY gained was 78%, rising to 91% with a £30,000 threshold. Conclusions Psychosocial assessment as implemented in the English NHS is likely to be cost-effective. This evidence could support adherence to NICE guidelines. However, further evidence is needed about the precise impacts of psychosocial assessment on self-harm repetition and costs to individuals and their families beyond immediate hospital stay.
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spelling doaj.art-bf8bf3446cd34830a5ca00ee67737a0d2023-03-09T12:33:56ZengCambridge University PressEuropean Psychiatry0924-93381778-35852022-01-016510.1192/j.eurpsy.2022.5Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysisDavid McDaid0https://orcid.org/0000-0003-0744-2664A-La Park1https://orcid.org/0000-0002-4704-4874Apostolos Tsiachristas2https://orcid.org/0000-0002-4662-8915Fiona Brand3https://orcid.org/0000-0002-8304-0678Deborah Casey4Caroline Clements5https://orcid.org/0000-0003-4735-6728Galit Geulayov6https://orcid.org/0000-0002-4093-5156Nav Kapur7https://orcid.org/0000-0002-3100-3234Jennifer Ness8https://orcid.org/0000-0002-7445-4510Keith Waters9https://orcid.org/0000-0002-5031-0870Keith Hawton10https://orcid.org/0000-0003-4985-5715Care Policy and Evaluation Centre, Department of Health Policy, London School of Economics and Political Science, London, United KingdomCare Policy and Evaluation Centre, Department of Health Policy, London School of Economics and Political Science, London, United KingdomHealth Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, United KingdomCentre for Suicide Research, Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United Kingdom Oxford Health NHS Foundation Trust, Oxford, United KingdomCentre for Suicide Research, Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United KingdomCentre for Mental Health and Safety, University of Manchester, Manchester, United KingdomCentre for Suicide Research, Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United KingdomCentre for Mental Health and Safety, University of Manchester, Manchester, United Kingdom Greater Manchester Mental Health NHS Foundation Trust, Manchester, United Kingdom NIHR Greater Manchester Patient Safety Translational Research Centre, University of Manchester, Manchester, United KingdomCentre for Self-Harm and Suicide Prevention Research, Derbyshire Healthcare NHS Foundation Trust, Derby, United KingdomCentre for Self-Harm and Suicide Prevention Research, Derbyshire Healthcare NHS Foundation Trust, Derby, United KingdomCentre for Suicide Research, Department of Psychiatry, Warneford Hospital, University of Oxford, Oxford, United Kingdom Oxford Health NHS Foundation Trust, Oxford, United Kingdom Abstract Background Guidance in England recommends psychosocial assessment when presenting to hospital following self-harm but adherence is variable. There is some evidence suggesting that psychosocial assessment is associated with lower risk of subsequent presentation to hospital for self-harm, but the potential cost-effectiveness of psychosocial assessment for hospital-presenting self-harm is unknown. Methods A three-state four-cycle Markov model was used to assess cost-effectiveness of psychosocial assessment after self-harm compared with no assessment over 2 years. Data on risk of subsequent self-harm and hospital costs of treating self-harm were drawn from the Multicentre Study of Self-Harm in England, while estimates of effectiveness of psychosocial assessment on risk of self-harm, quality of life, and other costs were drawn from literature. Incremental cost-effectiveness ratios (ICERs) for cost per Quality Adjusted Life Year (QALY) gained were estimated. Parameter uncertainty was addressed in univariate and probabilistic sensitivity analyses. Results Cost per QALY gained from psychosocial assessment was £10,962 (95% uncertainty interval [UI] £15,538–£9,219) from the National Health Service (NHS) perspective and £9,980 (95% UI £14,538–£6,938) from the societal perspective. Results were generally robust to changes in model assumptions. The probability of the ICER being below £20,000 per QALY gained was 78%, rising to 91% with a £30,000 threshold. Conclusions Psychosocial assessment as implemented in the English NHS is likely to be cost-effective. This evidence could support adherence to NICE guidelines. However, further evidence is needed about the precise impacts of psychosocial assessment on self-harm repetition and costs to individuals and their families beyond immediate hospital stay. https://www.cambridge.org/core/product/identifier/S0924933822000050/type/journal_articleEconomic issuesemergency departmentshealth economicshealth services researchsuicide
spellingShingle David McDaid
A-La Park
Apostolos Tsiachristas
Fiona Brand
Deborah Casey
Caroline Clements
Galit Geulayov
Nav Kapur
Jennifer Ness
Keith Waters
Keith Hawton
Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis
European Psychiatry
Economic issues
emergency departments
health economics
health services research
suicide
title Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis
title_full Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis
title_fullStr Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis
title_full_unstemmed Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis
title_short Cost-effectiveness of psychosocial assessment for individuals who present to hospital following self-harm in England: A model-based retrospective analysis
title_sort cost effectiveness of psychosocial assessment for individuals who present to hospital following self harm in england a model based retrospective analysis
topic Economic issues
emergency departments
health economics
health services research
suicide
url https://www.cambridge.org/core/product/identifier/S0924933822000050/type/journal_article
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