Displaying results 1 - 3 of 3
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In data we trust? An evaluation of the quality of influenza hospital admissions data gathered by automated versus manual reporting
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 … the patient was intubated or was in the ICU and a patient/visit key. Hospitals transmit data daily for visits that … -
What is the Value of a Positive Syndromic Surveillance Signal?
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 … communicable disease reporting mechanisms (e.g., via phone or fax). A signal was classified as a true positive if … -
The validity of emergency department influenza-like-illness (ILI) for laboratory-confirmed influenza in children
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… time of study. Results We studied approximately 14,000 visits during the discrete year and 32,000 visits during concomitant years. Viral results were unavailable for approximately 75% of respiratory visits and multiple imputation was used to impute values. …