Ottawa Knee Rules: Difference between revisions
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=Purpose= | |||
To Identify the need to order radiographs after knee trauma | |||
=Criteria= | |||
= | 1. Age>55 years | ||
2. Islolated patellar tenderness without other bone tenderness | |||
3. Tenderness of the fibular head | |||
4. Inability to flex to 90° | |||
5. Inability to bear weight immediately after injury and in the emergency department (4 steps) regardless of limping. | |||
=Research= | |||
==Diagnostic Accuracy== | |||
Adult Population: Sensitivity: 1.0 Specificity: .49-.56 | |||
+LR: 1.9-2.3 -LR: 0 | |||
Pediatric Population: Sensitivity: 1.0 Specificity: .43 | |||
+LR: 1.8 -LR: 0 |
Revision as of 03:04, 9 December 2009
Purpose[edit | edit source]
To Identify the need to order radiographs after knee trauma
Criteria[edit | edit source]
1. Age>55 years
2. Islolated patellar tenderness without other bone tenderness
3. Tenderness of the fibular head
4. Inability to flex to 90°
5. Inability to bear weight immediately after injury and in the emergency department (4 steps) regardless of limping.
Research[edit | edit source]
Diagnostic Accuracy[edit | edit source]
Adult Population: Sensitivity: 1.0 Specificity: .49-.56
+LR: 1.9-2.3 -LR: 0
Pediatric Population: Sensitivity: 1.0 Specificity: .43
+LR: 1.8 -LR: 0