All-cause mortality in hospitalized patients with infectious diarrhea: Clostridium difficile versus other enteric pathogens in Austria from 2008 to 2010.

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All-cause mortality in hospitalized patients with infectious diarrhea: Clostridium difficile versus other enteric pathogens in Austria from 2008 to 2010.

J Infect Public Health. 2014 Mar-Apr;7(2):133-44

Authors: Schmid D, Kuo HW, Simons E, Kanitz EE, Wenisch J, Allerberger F, Wenisch C

Abstract
BACKGROUND: Clostridium difficile infection is the leading cause of gastroenteritis-associated deaths in the industrialized world, followed by infection with norovirus.
METHODS: Using a cohort study design, we compared 90 inpatients with diarrhea due to C. difficile infection (CDI) with 180 inpatients with diarrhea due to other infectious agents (including 55% with norovirus infection) with respect to complications and all-cause mortality. The effects of age, severity of underlying diseases and additional infections were assessed by stratified analyses.
RESULTS: Diarrhea recurrence occurred 8.9 (95%CI: 2.9-27.3) times more often in CDI independent of age and severity of comorbidities. The all-cause mortality in CDI patients pre-discharge and at 30 and 180 days, respectively, was 20.0%, 17.0% and 42.3% versus 7.2%, 6.7% and 22.5% in non-CDI diarrhea patients. Among those patients with low comorbidities, who were younger than 65 years and without additional infections, the all-cause pre-discharge, 30-day and 180-day mortality risks were significantly higher for the CDI diarrhea patients than the non-CDI diarrhea patients. This association was not observed among patients with an older age, more severe comorbidities or additional infections.
CONCLUSION: CDI results in higher all-cause mortality than diarrhea due to other infectious agents in younger patients with low comorbidities.

PMID: 24231157 [PubMed - indexed for MEDLINE]

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