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The aim of our study was to develop a scoring system to predict whether diarrhea is of a bacterial origin and whether the diarrheal patients constitute a potential source of infection to others.Adults with acute diarrhea(n=424)were enrolled in the study.Logistic regression and standard regression coefficients were used to formulate the Early Warning Infectivity Score System for Adults with Acute Bacterial Diarrhea(EWIS-ABD).Four risk factors were identified by logistic regression,including body temperature(P<0.01),abdominal pain(P<0.01),leukocyte count in stool(P<0.01),and unclean dietary history(P<0.01).EWIS-ABD was thus developed,in which the value≥5 points was set as an indicator of bacterial diarrhea.The incidence of bacterial diarrhea increased along with the elevated score.EWIS-ABD was more specific for bacterial diarrhea than for viral diarrhea.The accuracy and reliability of EWIS-ABD was high by prospective validation in 478 patients with acute diarrhea.
The aim of our study was to develop a scoring system to predict whether diarrhea is of a bacterial origin and whether the diarrheal patients constitute a potential source of infection to others. Adults with acute diarrhea (n = 424) were enrolled in the study. Logistic regression and standard regression coefficients were used to formulate the Early Warning Infectivity Score System for Adults with Acute Bacterial Diarrhea (EWIS-ABD) .Four risk factors were identified by logistic regression, including body temperature (P <0.01), abdominal pain (P < 0.01), leukocyte count in stool (P <0.01), and unclean dietary history (P <0.01) .EWIS-ABD was thus developed, in which the value≥5 points was set as an indicator of bacterial diarrhea.The incidence of bacterial diarrhea increased along with the elevated score. EIS-ABD was more specific for bacterial diarrhea than for viral diarrhea. accuracy and reliability of EWIS-ABD was high by prospective validation in 478 patients with acute diarrhea.