Suicide mortality in people with mental disorders: a register-based study in north France
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ORIGINAL PAPER
Suicide mortality in people with mental disorders: a register‑based study in north France Laurent Plancke1,2 · Chloé Coton1,3 · Alina Amariei1 · Redha Kharfallah1,4 · Stéphane Duhem1,5 · Thierry Danel1,5 · Claire‑Lise Charrel1,6 Received: 21 January 2020 / Accepted: 9 June 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Introduction Suicide is very common among people with mental disorders. In addition, suicide mortality rates are stable in this group, while they are decreasing in the general population. Methods The vital statuses of adult inpatients admitted to French psychiatry departments in 2008–2009 were researched in death databases on 31 December 2013. Suicide probability was calculated using a Kaplan–Meier analysis, and standardized mortality ratios (SMRs) were calculated in relation to the population of the study area. Results Among the 13,979 patients included in the study, (7416 men and 6563 women; mean age 43.6 ± 14.6 years), 1454 died in total, among whom 286 died by suicide an average of 4.9 years after the date of their enrolment. The cumulative probability of suicide was 0.8% at 1 year, 1.3% at 2 years and 2.5% at 6 years. The SMR value, which was 1492 for the whole group of patients and was twice as high in women (2494) as in men (1220), decreased with age (from 2078 in patients aged 18–34 years to 1278 in patients aged 75 years or more). Discussion Our study confirms that suicide mortality is higher in inpatients admitted to French psychiatry units than in the general population and advocates specific prevention programmes for this group. Keywords Suicide · Mental disorders · Inpatient stays · France · SNDS · Mortality
Introduction Nearly 450 million people worldwide are affected by mental disorders; thus, the care of these individuals is a global issue [1]. This group has a mortality rate two to five times higher than that of the general population as well as decreased * Laurent Plancke [email protected] 1
Regional Federation of Psychiatry and Mental Health Research (Fédération Régionale de Recherche en Psychiatrie Et Santé Mentale) Hauts-de-France, 211 Rue du Général Leclerc, 59350 Saint‑André‑lez‑Lille, France
2
Univ. Lille, CNRS, UMR 8019 - CLERSE - Centre Lillois d’Études et de Recherches sociologiques et Économiques, Lille, France
3
EHESP School of Public Health, Rennes, France
4
Univ. Lille, Lille, France
5
University Hospital of Lille, Lille, France
6
Public Mental Health Establishment Lille-Métropole, Armentières, France
life expectancy [2–4]. The excess mortality rate includes all causes of death, whether internal or external. Indeed, somatic diseases are responsible for a mortality rate two to three times higher in people with mental disorders than in the general population, and this difference increases to a factor of 5 for external causes of death. Among external causes of death, suicide constitutes an important part (approximately 40%) [4]. In a study conducted in Ohio, suicide represents nearly 42 yea
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