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Psychiatric comorbidity as a risk factor for the mortality of people with bulimia nervosa

Bulimia nervosa (BN) is associated with increased mortality. Frequent comorbidities of BN include substance use disorders, affective disorders and personality disorders (PD). These comorbidities may add an additional risk for mortality. We investigated the influence of these psychiatric comorbiditie... Full description

Journal Title: Social Psychiatry and Psychiatric Epidemiology 2019, Vol.54(7), pp.813-821
Main Author: Himmerich, Hubertus
Other Authors: Hotopf, Matthew , Shetty, Hitesh , Schmidt, Ulrike , Treasure, Janet , Hayes, Richard , Stewart, Robert , Chang, Chin-Kuo
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0933-7954 ; E-ISSN: 1433-9285 ; DOI: 10.1007/s00127-019-01667-0
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recordid: springer_jour10.1007/s00127-019-01667-0
title: Psychiatric comorbidity as a risk factor for the mortality of people with bulimia nervosa
format: Article
creator:
  • Himmerich, Hubertus
  • Hotopf, Matthew
  • Shetty, Hitesh
  • Schmidt, Ulrike
  • Treasure, Janet
  • Hayes, Richard
  • Stewart, Robert
  • Chang, Chin-Kuo
subjects:
  • Bulimia nervosa
  • Eating disorder
  • Psychiatric comorbidities
  • Affective disorders
  • Substance use disorders
  • Personality disorder
ispartof: Social Psychiatry and Psychiatric Epidemiology, 2019, Vol.54(7), pp.813-821
description: Bulimia nervosa (BN) is associated with increased mortality. Frequent comorbidities of BN include substance use disorders, affective disorders and personality disorders (PD). These comorbidities may add an additional risk for mortality. We investigated the influence of these psychiatric comorbidities on all-cause mortality with demographic and socioeconomic factors considered as confounders over an observation period from January 2007 to March 2016 for 1501 people with BN using anonymised health records data from the South London and Maudsley NHS Foundation Trust (SLaM), retrieved through its Clinical Records Interactive Search (CRIS) data resource. Mortality was ascertained through monthly linkages to the nationwide tracing system administered by the Office for National Statistics (ONS). We used Cox proportional hazards regression to calculate hazard ratios (HRs) with 95% confidence intervals (CIs). Multivariable analyses were also performed to estimate effects when controlling for confounding of age, sex, ethnicity, borough, marital status and deprivation score. A total of 18 patients with BN died during the observation period. The standardised mortality ratio (SMR) for our study cohort (against the population of England and Wales in 2012 as a standard) was 2.52 (95% CI 1.49-3.97). Cox regressions revealed significant associations of mortality with older age and male gender. Comorbid PD (HR: 3.36; 95% CI 1.05-10.73) was significantly associated with all-cause mortality, even after controlling for demographic and socioeconomic covariates. These results highlight increased mortality in patients with BN and the importance of recognising and treating PDs in patients with BN.
language: eng
source:
identifier: ISSN: 0933-7954 ; E-ISSN: 1433-9285 ; DOI: 10.1007/s00127-019-01667-0
fulltext: fulltext_linktorsrc
issn:
  • 1433-9285
  • 14339285
  • 0933-7954
  • 09337954
url: Link


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titlePsychiatric comorbidity as a risk factor for the mortality of people with bulimia nervosa
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descriptionBulimia nervosa (BN) is associated with increased mortality. Frequent comorbidities of BN include substance use disorders, affective disorders and personality disorders (PD). These comorbidities may add an additional risk for mortality. We investigated the influence of these psychiatric comorbidities on all-cause mortality with demographic and socioeconomic factors considered as confounders over an observation period from January 2007 to March 2016 for 1501 people with BN using anonymised health records data from the South London and Maudsley NHS Foundation Trust (SLaM), retrieved through its Clinical Records Interactive Search (CRIS) data resource. Mortality was ascertained through monthly linkages to the nationwide tracing system administered by the Office for National Statistics (ONS). We used Cox proportional hazards regression to calculate hazard ratios (HRs) with 95% confidence intervals (CIs). Multivariable analyses were also performed to estimate effects when controlling for confounding of age, sex, ethnicity, borough, marital status and deprivation score. A total of 18 patients with BN died during the observation period. The standardised mortality ratio (SMR) for our study cohort (against the population of England and Wales in 2012 as a standard) was 2.52 (95% CI 1.49-3.97). Cox regressions revealed significant associations of mortality with older age and male gender. Comorbid PD (HR: 3.36; 95% CI 1.05-10.73) was significantly associated with all-cause mortality, even after controlling for demographic and socioeconomic covariates. These results highlight increased mortality in patients with BN and the importance of recognising and treating PDs in patients with BN.
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