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Inadequate exercise as a risk factor for sepsis mortality.
MedLine Citation:
PMID:  24324580     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVE: Test whether inadequate exercise is related to sepsis mortality.
RESEARCH DESIGN AND METHODS: Mortality surveillance of an epidemiological cohort of 155,484 National Walkers' and Runners' Health Study participants residing in the United States. Deaths were monitored for an average of 11.6-years using the National Death index through December 31, 2008. Cox proportional hazard analyses were used to compare sepsis mortality (ICD-10 A40-41) to inadequate exercise (<1.07 METh/d run or walked) as measured on their baseline questionnaires. Deaths occurring within one year of the baseline survey were excluded.
RESULTS: Sepsis was the underlying cause in 54 deaths (sepsisunderlying) and a contributing cause in 184 deaths (sepsiscontributing), or 238 total sepsis-related deaths (sepsistotal). Inadequate exercise was associated with 2.24-fold increased risk for sepsisunderlying (95%CI: 1.21 to 4.07-fold, P = 0.01), 2.11-fold increased risk for sepsiscontributing (95%CI: 1.51- to 2.92-fold, P<10(-4)), and 2.13-fold increased risk for sepsistotal (95%CI: 1.59- to 2.84-fold, P<10(-6)) when adjusted for age, sex, race, and cohort. The risk increase did not differ significantly between runners and walkers, by sex, or by age. Sepsistotal risk was greater in diabetics (P = 10(-5)), cancer survivors (P = 0.0001), and heart attack survivors (P = 0.003) and increased with waist circumference (P = 0.0004). The sepsistotal risk associated with inadequate exercise persisted when further adjusted for diabetes, prior cancer, prior heart attack and waist circumference, and when excluding deaths with cancer, or cardiovascular, respiratory, or genitourinary disease as the underlying cause. Inadequate exercise also increased sepsistotal risk in 2163 baseline diabetics (4.78-fold, 95%CI: 2.1- to 13.8-fold, P = 0.0001) when adjusted, which was significantly greater (P = 0.03) than the adjusted risk increase in non-diabetics (1.80-fold, 95%CI: 1.30- to 2.46-fold, P = 0.0006).
CONCLUSION: Inadequate exercise is a risk factor for sepsis mortality, particular in diabetics.
Authors:
Paul T Williams
Publication Detail:
Type:  Journal Article     Date:  2013-12-04
Journal Detail:
Title:  PloS one     Volume:  8     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2013  
Date Detail:
Created Date:  2013-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e79344     Citation Subset:  IM    
Affiliation:
Donner Laboratory, Life Sciences Division, Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California, United States of America.
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