What is the prognosis of gastroenteritis?

Updated: Feb 10, 2017
  • Author: Arthur Diskin, MD; Chief Editor: Steven C Dronen, MD, FAAEM  more...
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Answer

Most cases of gastroenteritis are self-limited with an excellent prognosis.

Estimates for mortality and morbidity widely vary. In the United States, approximately 900,000, including 200,000 pediatric, hospitalizations occur yearly, with an average of 11,255 deaths. [19] Internationally, the mortality rate is 1.4-2.5 million deaths each year.

The Centers for Disease Control and Prevention (CDC) reported that enteritis deaths more than doubled in the United States, an increase to 17,000 in 2007 from about 7,000 in 1999. Adults older than 65 years accounted for 83% of deaths and the majority of hospitalizations. C difficile and norovirus were the most common infectious causes of gastroenteritis-associated deaths. C difficile was associated with 14,500 of these deaths, up from 2,700 in 1999. Norovirus was associated with an estimated 797 deaths annually, causing the majority of gastroenteritis outbreaks, [19] although 50% more deaths occurred in years when epidemics were caused by new strains of the virus. [20]


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