Template:Ottawa Knee Calculator: Difference between revisions

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[[Category:Calculator templates]]
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=== Ottawa Knee Rules ===
<div class="calculator-container" data-calculator-refresh-on-load="true">
<div class="calculator-container" data-calculator-refresh-on-load="true">
{| class="wikitable" style="width:100%; border-collapse:collapse;"
{| class="wikitable" style="width:100%; border-collapse:collapse;"

Latest revision as of 15:52, 21 March 2026

Interactive Ottawa Knee Rule calculator. Requires the calculator gadget.

Usage: {{Ottawa Knee Calculator}}

Ottawa Knee Rules

Ottawa Knee Rule
Criteria No (0) Yes (+1)
Age ≥55 years 1
Tenderness at head of fibula 1
Isolated tenderness of patella (no other knee bone tenderness) 1
Inability to flex to 90° 1
Inability to bear weight (4 steps both immediately and in ED) 1
Criteria Met / 5
Interpretation
0 X-ray NOT indicated — No Ottawa Knee Rule criteria met. Sensitivity 98.5% for fracture.
≥1 X-ray indicated — One or more criteria met; obtain knee radiographs to evaluate for fracture.
References
  • Stiell IG et al. Prospective validation of a decision rule for radiography in acute knee injuries. JAMA. 1996;275:611-615. PMID 8594242.
  • Stiell IG et al. Implementation of the Ottawa Knee Rule. JAMA. 1997;278:2075-2079. PMID 9403421.