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  • Content Type: Abstract

    The Washington Comprehensive Hospital Abstract Reporting System (CHARS) has collected discharge data from billing systems for every inpatient admitted to every hospital in the state since 1987 [1]. The purpose of the system is to provide data for… read more
    … patient was intubated or was in the ICU, and a patient/visit key. Hospitals transmit data daily for visits that occurred up to 1 month earlier. Previously, we … ehtj11115 ehtj11120 ehtj11024 ehtj11060 ehtj11110 26-50 ehtj11034 ehtj11198 ehtj11174 ehtj11048 ehtj11154 …
  • Content Type: Abstract

    Syndromic surveillance systems use electronic health-related data to support near-real time disease surveillance. Over the last 10 years, the use of ILI syndromes defined from emergency department (ED) data has become an increasingly accepted… read more
    … tion of influenza and respiratory syncytial virus (RSV) com- pared to most years, and (2) the ‘‘concomitant’’ … Confidence Interval [CI]: 0.30, 0.68) and 0.72 (CI: 0.70, 0.74) respectively, for the ‘‘Febrile’’ definition and … ehtj11115 ehtj11120 ehtj11024 ehtj11060 ehtj11110 26-50 ehtj11034 ehtj11198 ehtj11174 ehtj11048 ehtj11154 …
  • Content Type: Abstract

    One criterion for evaluating the effectiveness of a surveillance system is the system’s positive predictive value. To our knowledge few studies have described the positive predictive value of syndromic surveillance signals… read more
    … departments (EDs) in King County. EDs send data on all visits that occurred the previous day. Aberrations in the … we requested follow-up (positive predictive value 28.1%); 26/61 reports were not otherwise reported to Public Health. … dependent upon the prevalence of disease, these results may differ in other settings. REFERENCES [1] Centers for …