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Knee Fracture: Likelihood Ratios

Introduction: None written.

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Tags: Musculoskeletal Tag this Diagnosis.

The likelihood ratios of findings for Knee Fracture are listed below. See the left navigation bar to change the display.

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Finding +LR-LR Comments, Study
Ottawa Knee Rule Edit 20

>=1 of:

  • Age >55
  • Tenderness at head of fibula
  • Isolated tenderness of patella
  • Inability to flex to 90 degrees
  • Inability to bear weight for 4 steps BOTH immediately and in the ED
  • Study: Ann Intern Med. 2003 Oct 7;139(7):575-88. PMID: 14530229