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Inadequate exercise as a risk factor for sepsis mortality.

Paul T Williams1

  • 1Donner Laboratory, Life Sciences Division, Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California, United States of America.

Plos One
|December 11, 2013
PubMed
Summary

Inadequate exercise significantly increases the risk of sepsis mortality. This risk is particularly pronounced in individuals with diabetes, highlighting the importance of physical activity for sepsis prevention.

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Area of Science:

  • Epidemiology
  • Public Health
  • Exercise Science

Background:

  • Sepsis is a life-threatening condition with significant mortality.
  • The role of lifestyle factors, such as physical activity, in sepsis risk is an area of ongoing research.
  • Previous studies have suggested a link between sedentary behavior and increased risk of various health issues.

Purpose of the Study:

  • To investigate the association between inadequate exercise and sepsis mortality.
  • To determine if physical activity levels are a significant risk factor for death due to sepsis.
  • To explore potential differences in this association across demographic groups and pre-existing conditions.

Main Methods:

  • A large epidemiological cohort study of 155,484 participants from the National Walkers' and Runners' Health Study.
  • Mortality surveillance over an average of 11.6 years using the National Death Index.
  • Cox proportional hazard analyses were employed to assess the risk of sepsis mortality (ICD-10 A40-41) associated with inadequate exercise (<1.07 MET-hours/day).

Main Results:

  • Inadequate exercise was associated with a 2.13-fold increased risk of total sepsis-related deaths.
  • This association remained significant after adjusting for age, sex, race, and cohort.
  • The risk of sepsis mortality due to inadequate exercise was substantially higher in individuals with diabetes (4.78-fold increased risk).

Conclusions:

  • Inadequate exercise is an independent risk factor for sepsis mortality.
  • Individuals with diabetes who do not exercise adequately face a significantly elevated risk of death from sepsis.
  • Promoting regular physical activity may be a crucial strategy for reducing sepsis mortality, especially in vulnerable populations.