Adjusted prognostic association of depression following myocardial infarction with mortality and cardiovascular events: individual patient data meta-analysis

A Meijer, H J Conradi, E H Bos, M Anselmino, R M Carney, J Denollet, F Doyle, K E Freedland, S L Grace, S H Hosseini, D A Lane, L Pilote, K Parakh, C Rafanelli, H Sato, R P Steeds, C Welin, P de Jonge

Research output: Contribution to journalArticlepeer-review

119 Citations (Scopus)

Abstract

BACKGROUND: The association between depression after myocardial infarction and increased risk of mortality and cardiac morbidity may be due to cardiac disease severity.

AIMS: To combine original data from studies on the association between post-infarction depression and prognosis into one database, and to investigate to what extent such depression predicts prognosis independently of disease severity.

METHOD: An individual patient data meta-analysis of studies was conducted using multilevel, multivariable Cox regression analyses.

RESULTS: Sixteen studies participated, creating a database of 10 175 post-infarction cases. Hazard ratios for post-infarction depression were 1.32 (95% CI 1.26-1.38, P<0.001) for all-cause mortality and 1.19 (95% CI 1.14-1.24, P<0.001) for cardiovascular events. Hazard ratios adjusted for disease severity were attenuated by 28% and 25% respectively.

CONCLUSIONS: The association between depression following myocardial infarction and prognosis is attenuated after adjustment for cardiac disease severity. Still, depression remains independently associated with prognosis, with a 22% increased risk of all-cause mortality and a 13% increased risk of cardiovascular events per standard deviation in depression z-score.

Original languageEnglish
Pages (from-to)90-102
Number of pages13
JournalBritish Journal of Psychiatry
Volume203
Issue number2
DOIs
Publication statusPublished - Aug 2013

Keywords

  • Aged
  • Cardiovascular Diseases
  • Cause of Death
  • Comorbidity
  • Depressive Disorder
  • Female
  • Humans
  • Male
  • Middle Aged
  • Myocardial Infarction
  • Prognosis
  • Risk
  • Severity of Illness Index
  • Surveys and Questionnaires

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