• Hospital pediatrics · Sep 2018

    Variation in Diagnostic Test Use and Associated Outcomes in Staphylococcal Scalded Skin Syndrome at Children's Hospitals.

    • Hannah C Neubauer, Matt Hall, Sowdhamini S Wallace, Andrea T Cruz, Mary Ann Queen, Dana M Foradori, Paul L Aronson, Jessica L Markham, Jennifer A Nead, Gabrielle Z Hester, Russell J McCulloh, and Michelle A Lopez.
    • Section of Pediatric Hospital Medicine, Department of Pediatrics, Texas Children's Hospital and Baylor College of Medicine, Houston, Texas; hcneubau@texaschildrens.org.
    • Hosp Pediatr. 2018 Sep 1; 8 (9): 530-537.

    ObjectivesThe incidence of staphylococcal scalded skin syndrome (SSSS) is rising, but current practice variation in diagnostic test use is not well described. Our aim was to describe the variation in diagnostic test use in children hospitalized with SSSS and to determine associations with patient outcomes.MethodsWe performed a retrospective (2011-2016) cohort study of children aged 0 to 18 years from 35 children's hospitals in the Pediatric Health Information System database. Tests included blood culture, complete blood count, erythrocyte sedimentation rate, C-reactive protein level, serum chemistries, and group A streptococcal testing. K-means clustering was used to stratify hospitals into groups of high (cluster 1) and low (cluster 2) test use. Associations between clusters and patient outcomes (length of stay, cost, readmissions, and emergency department revisits) were assessed with generalized linear mixed-effects modeling.ResultsWe included 1259 hospitalized children with SSSS; 84% were ≤4 years old. Substantial interhospital variation was seen in diagnostic testing. Blood culture was the most commonly obtained test (range 62%-100%), with the most variation seen in inflammatory markers (14%-100%). Between hospital clusters 1 and 2, respectively, there was no significant difference in adjusted length of stay (2.6 vs 2.5 days; P = .235), cost ($4752 vs $4453; P = .591), same-cause 7-day readmission rate (0.8% vs 0.4%; P = .349), or emergency department revisit rates (0.1% vs 0.6%; P = .148).ConclusionsFor children hospitalized with SSSS, lower use of diagnostic tests was not associated with changes in outcomes. Hospitals with high diagnostic test use may be able to reduce testing without adversely affecting patient outcomes.Copyright © 2018 by the American Academy of Pediatrics.

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