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What is the difference between CHARS duplicated vs. unduplicated data?

April 26, 2017chars Data duplicated unduplicated vs

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What is the difference between CHARS duplicated vs. unduplicated data?

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VistaPHw currently includes hospitalization data (CHARS data) which consists of all discharges from WA hospitals in a given year. Some patients may be hospitalized and discharged more than once in any given year so they appear more than once in the data. In the past, an unduplicated dataset has been available, which allows the data to be analyzed by patient rather than hospitalization. This file is under review by the DOH Center for Health Statistics.