Caroline Clements
Rates of self-harm presenting to general hospitals: a comparison of data from the Multicentre Study of Self-Harm in England and Hospital Episode Statistics
Clements, Caroline; Turnbull, Pauline; Hawton, Keith; Geulayov, Galit; Waters, Keith; Ness, Jennifer; Townsend, Ellen; Kundakar, Kazem; Kapur, Nav
Authors
Pauline Turnbull
Keith Hawton
Galit Geulayov
Keith Waters
Jennifer Ness
ELLEN TOWNSEND ELLEN.TOWNSEND@NOTTINGHAM.AC.UK
Professor of Psychology
Kazem Kundakar
Nav Kapur
Abstract
Objective: Rates of hospital presentation for self-harm in England were compared using different national and local data sources.
Design: The study was descriptive and compared bespoke data collection methods for recording self-harm presentations to hospital with routinely collected hospital data.
Setting: Local area data on self-harm from the 3 centres of the Multicentre Study of Self-harm in England (Oxford, Manchester and Derby) were used along with national and local routinely collected data on self-harm admissions and emergency department attendances from Hospital Episode Statistics (HES).
Primary outcome: Rate ratios were calculated to compare rates of self-harm generated using different data sources nationally and locally (between 2010 and 2012) and rates of hospital presentations for self-harm were plotted over time (between 2003 and 2012), based on different data sources.
Results The total number of self-harm episodes between 2010 and 2012 was 13 547 based on Multicentre Study data, 9600 based on HES emergency department data and 8096 based on HES admission data. Nationally, routine HES data underestimated overall rates of self-harm by approximately 60% compared with rates based on Multicentre Study data (rate ratio for HES emergency department data, 0.41 (95% CI 0.35 to 0.49); rate ratio for HES admission data, 0.42 (95% CI 0.36 to 0.49)). Direct local area comparisons confirmed an overall underascertainment in the HES data, although the difference varied between centres. There was a general increase in self-harm over time according to HES data which contrasted with a fall and then a rise in the Multicentre Study data.
Conclusions: There was a consistent underestimation of presentations for self-harm recorded by HES emergency department data, and fluctuations in year-on-year figures. HES admission data appeared more reliable but missed non-admitted episodes. Routinely collected data may miss important trends in self-harm and cannot be used in isolation as the basis for a robust national indicator of self-harm.
Citation
Clements, C., Turnbull, P., Hawton, K., Geulayov, G., Waters, K., Ness, J., …Kapur, N. (2016). Rates of self-harm presenting to general hospitals: a comparison of data from the Multicentre Study of Self-Harm in England and Hospital Episode Statistics. BMJ Open, 6, Article e009749. https://doi.org/10.1136/bmjopen-2015-009749
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 24, 2015 |
Online Publication Date | Feb 16, 2016 |
Publication Date | Feb 1, 2016 |
Deposit Date | Aug 4, 2017 |
Publicly Available Date | Aug 4, 2017 |
Journal | BMJ Open |
Electronic ISSN | 2044-6055 |
Publisher | BMJ Publishing Group |
Peer Reviewed | Peer Reviewed |
Volume | 6 |
Article Number | e009749 |
DOI | https://doi.org/10.1136/bmjopen-2015-009749 |
Public URL | https://nottingham-repository.worktribe.com/output/770572 |
Publisher URL | http://bmjopen.bmj.com/content/6/2/e009749.info |
Contract Date | Aug 4, 2017 |
Files
BMJ Open-2016-Clements-(1).pdf
(962 Kb)
PDF
Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
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