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Acute diarrhea in hospitalized children of the municipality of juiz de fora, MG, Brazil: prevalence and risk factors associated with disease severity

Diarreia aguda em crianças hospitalizadas no município de Juiz de Fora, MG: prevalência e fatores de risco associados à gravidade da doença

CONTEXT: Acute diarrhea is a common cause of hospitalization among children under 5 years of age. Knowing the prevalence and risk factors associated with the severity of acute diarrhea is essential to control morbidity and mortality. OBJECTIVE: Describe the prevalence of demographic, epidemiologic and clinical features of children under 6 years of age hospitalized for acute diarrhea, and investigate the association between these determinants and the severity of the diarrheic episode. METHOD: Retrospective, cross-sectional study, during the period from January, 2005 through December, 2008, in the municipality of Juiz de Fora, MG, Brazil. Files from 6,201 children from 0 to 6 years of age, hospitalized in two public teaching institutions (which account for 84% of all the hospitalizations in the municipality), were assessed. Acute diarrhea was defined as the presence of at least three evacuations of liquid or loose stools, within 24 hours, for a maximum period of 14 days. The patients with acute diarrhea were divided in two groups, according to disease severity, severe diarrhea being considered whenever hospitalization lasted for at least 4 days. Epidemiologic and clinical data were assessed and compared through the application of the chi-squared test and the binomial logistic regression model. RESULTS: The prevalence rate for admission due to acute diarrhea was 8.4%. The factors significantly associated with the severity of the diarrheic episode were: age under 6 months (P = 0.01, OR = 2.762); disease onset during fall (P = 0.033, OR = 1.742), presence of fever (P = 0.017, OR = 1.715) and antibiotic use during hospitalization (P = 0.000, OR = 3.872). CONCLUSIONS: Diarrhea is the third most common cause of hospitalization among children under 6 years of age in Juiz de Fora. Young age (under or equal to 6 months), fever, antibiotic use during hospitalization and disease onset during fall are risk factors associated with longer hospital stay.

Diarrhea, infantile, epidemiology; Child hospitalized; Risk factors; Juiz de Fora, MG, Brazil


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