Pediatr Emerg Care 2021 May 13. Epub 2021 May 13.
From the *Brown University, Providence, RI †Division of Pediatric Emergency Medicine, Children's Hospital of Pittsburgh, Pittsburgh, PA ‡Division of Pediatric Emergency Medicine, Children's Hospital of Wisconsin, Milwaukee, WI §Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA ∥Departments of Pediatrics and Emergency Medicine, Hasbro Children's Hospital, Providence, RI ¶Division of Emergency Medicine, Nemours/A.I. duPont Hospital for Children, Wilmington, DE #Department of Emergency Medicine, Children's Minnesota, Minneapolis, MN **Division of Emergency Medicine, Boston Children's Hospital, Boston, MA.
Objective: In Lyme disease endemic areas, Lyme and septic arthritis often present similarly. A published septic knee arthritis clinical prediction rule includes 2 high-risk predictors: absolute neutrophil count of 10,000 cells/mm or greater and erythrocyte sedimentation rate of 40 mm/h or greater. The objective of the study was to externally validate this prediction rule in a multicenter prospective cohort. Read More