The Ottawa Knee Rules accurately identified fractures in children with knee injuries
Q In children presenting to the emergency department (ED) with a knee injury, how accurate are the Ottawa Knee Rules (OKR) in identifying knee fractures?
blinded comparison of the OKR with knee x rays.
5 urban academic paediatric EDs in Canada.
750 children aged 2–16 years (mean age 12 y, 59% boys) who presented to the ED with an acute injury to the knee sustained in the preceding 7 days and had evidence of bony injury to the knee on physical examination. Exclusion criteria: isolated injuries to the skin, altered level of consciousness, multiple distracting injuries, metabolic bone disease, underlying disease with sensory abnormalities, referral from outside the hospital with a diagnosed fracture, or return for reassessment of the same knee injury.
Description of test:
trained emergency physicians assessed …