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The Pediatric Heath Information System (PHIS) developed by the Child Health Corporation is a robust database with detailed and clinically relevant patient-level data culled from 36 freestanding children’s hospitals. Researchers from the University of Washington and Children’s Hospital and Regional Medical Center in Seattle utilized this database to perform a retrospective, descriptive study of the variation in the diagnostic approach, treatment, length of stay (LOS), and readmission rate for children less than 1 year of age hospitalized for bronchiolitis. Data for 17,397 patients admitted between October 2001 and September 2003 with a primary discharge diagnosis of …
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