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Reference Details
Ivanov, O., Gesteland, P. H., Hogan, W., Mundorff, M. B. and Wagner, M. M. (2003), "Detection of pediatric respiratory and gastrointestinal outbreaks from free-text chief complaints", AMIA ... Annual Symposium Proceedings/AMIA Symposium: 318-22.

We conducted a retrospective study to ascertain the potential of free-text chief complaints collected in pediatric emergency departments to serve as surveillance data for early detection of outbreaks. We determined that automatically coded chief complaint data provide a signal that reflects outbreaks in a population of children less than five years of age. Using the Exponentially Weighted Moving Average (EWMA) detection algorithm, we measured the timeliness, sensitivity, and specificity of free-text chief complaints for predicting outbreaks of pediatric respiratory and gastrointestinal illness. We found that time series of automatically coded free text-chief complaints in pediatric patients correlate well with hospital admissions and precede them by the mean of 10.3 days (95% CI -15.15, 35.5) for respiratory outbreaks and 29 days (95% CI 4.23, 53.7) for gastrointestinal outbreaks. We conclude that free-text chief complaints may play an important role as an early, sensitive and specific indicator of outbreaks of respiratory and gastrointestinal illness in children less than five years of age.

Child, Preschool *Disease Outbreaks Emergency Service, Hospital Forms and Records Control Gastrointestinal Diseases/cl [Classification] Gastrointestinal Diseases/di [Diagnosis] *Gastrointestinal Diseases/ep [Epidemiology] Humans International Classification of Diseases Patient Admission *Population Surveillance Respiratory Tract Infections/cl [Classification] Respiratory Tract Infections/di [Diagnosis] *Respiratory Tract Infections/ep [Epidemiology] Retrospective Studies Sensitivity and Specificity Time Factors Utah/ep [Epidemiology]
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