Evid Based Nurs 7:24 doi:10.1136/ebn.7.1.24
  • Assessment (screening or diagnosis)

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.

GraphicDescription of test:

trained emergency physicians assessed …

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