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Good Positive and Negative Likelihood Ratios

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.

Good Positive and Negative Likelihood Ratios

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