"The Paediatric Appendicitis Risk Calculator (pARC) is a clinical decision rule and predictor of the likelihood of acute appendicitis in paediatric patients. Due to the non-categorical data in some of the criteria, an integrated calculator is required to use this tool."
"maximal tenderness in RLQ"
"migration of pain to RLQ"
"community ED or paediatric ED setting"
"community ED or paediatric ED setting"
"For a risk category of low/very low, the NPV is >98% 2."
"For a risk category of high, the PPV is 85% 2."
"Paediatric Appendicitis Score (PAS)"
Expected headings
"Exclusion criteria"
"Interpretation"