The purpose of this study is to evaluate the epidemiology and baseline disease burden of rotavirus gastroenteritis in children \< 6 years of age, in Japan.
This is a retrospective database study wherein data on children who have been diagnosed with acute gastroenteritis or rotavirus gastroenteritis will be collected from the electronic admission database or any other applicable database of the participating hospitals.
Study Type
OBSERVATIONAL
Enrollment
13,767
Review and collect data from database (electronic admission database or any other applicable database of the hospital)
Occurrence of acute gastroenteritis among all hospitalized children aged <6 years
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Occurrence of rotavirus gastroenteritis among all hospitalized children aged <6 years
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Occurrence of rotavirus gastroenteritis among all acute gastroenteritis hospitalizations in children aged <6 years
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Occurrence of nosocomial rotavirus gastroenteritis among all hospitalized children aged <6 years
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Occurrence of nosocomial rotavirus gastroenteritis among all hospitalizations with rotavirus gastroenteritis in children aged <6 years
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Prolongation of hospitalization of patients with nosocomial rotavirus gastroenteritis
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Occurrence of rotavirus gastroenteritis hospitalization and nosocomial rotavirus gastroenteritis hospitalization among children <6 years of age, stratified by age
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Seasonal distribution (monthly) of rotavirus gastroenteritis infection
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
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Age (monthly) specific data of all the outcome measures, for children <12 months of age
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)
Number of hospitalizations with rotavirus gastroenteritis and other vaccine-preventable infectious diseases such as influenza, mumps and varicella among children <6 years of age
Time frame: At least 24 months (from 01 January 2008 to 31 December 2009)