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Observational Study
. 2016 May 17:353:i2375.
doi: 10.1136/bmj.i2375.

Late mortality after sepsis: propensity matched cohort study

Affiliations
Observational Study

Late mortality after sepsis: propensity matched cohort study

Hallie C Prescott et al. BMJ. .

Abstract

Objectives: To determine whether late mortality after sepsis is driven predominantly by pre-existing comorbid disease or is the result of sepsis itself.

Deign: Observational cohort study.

Setting: US Health and Retirement Study.

Participants: 960 patients aged ≥65 (1998-2010) with fee-for-service Medicare coverage who were admitted to hospital with sepsis. Patients were matched to 777 adults not currently in hospital, 788 patients admitted with non-sepsis infection, and 504 patients admitted with acute sterile inflammatory conditions.

Main outcome measures: Late (31 days to two years) mortality and odds of death at various intervals.

Results: Sepsis was associated with a 22.1% (95% confidence interval 17.5% to 26.7%) absolute increase in late mortality relative to adults not in hospital, a 10.4% (5.4% to 15.4%) absolute increase relative to patients admitted with non-sepsis infection, and a 16.2% (10.2% to 22.2%) absolute increase relative to patients admitted with sterile inflammatory conditions (P<0.001 for each comparison). Mortality remained higher for at least two years relative to adults not in hospital.

Conclusions: More than one in five patients who survives sepsis has a late death not explained by health status before sepsis.

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Conflict of interest statement

Competing interests: All authors have completed the ICMJE uniform disclosure form at www.icmje.org/coi_disclosure.pdf and declare: no support from any organization for the submitted work; no financial relationships with any organizations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work.

Figures

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Fig 1 Flow of participants and match of patients with sepsis
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Fig 2 Kaplan-Meier survival curves for sepsis cohort versus three matched comparisons showing long term survival of patients who survived at least 30 days after their match day
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Fig 3 Absolute excess late mortality of sepsis v adults not currently in hospital, stratified by subgroup. GI=gastrointestinal; GU=genitourinary

Comment in

  • Late mortality after sepsis.
    Brett SJ. Brett SJ. BMJ. 2016 May 17;353:i2735. doi: 10.1136/bmj.i2735. BMJ. 2016. PMID: 27189069 Free PMC article.
  • Long term mortality following sepsis.
    Kennelly PJ, Martin-Loeches I. Kennelly PJ, et al. Ann Transl Med. 2016 Oct;4(19):387. doi: 10.21037/atm.2016.08.31. Ann Transl Med. 2016. PMID: 27827464 Free PMC article. No abstract available.
  • Role of sepsis in delayed mortality.
    Kaur A, Levy MM. Kaur A, et al. Ann Transl Med. 2016 Oct;4(19):378. doi: 10.21037/atm.2016.08.24. Ann Transl Med. 2016. PMID: 27827468 Free PMC article. No abstract available.

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