Purpose: To identify patients likely to be presenting with hip osteoarthritis.

Stage of CPR Development: Derivation.

Rule:

1. Squatting as aggravating factor
2. (+) Scour Test for groin or lateral hip pain
3. Active hip flexion causing lateral hip pain
4. Passve internal rotation < 25 degrees
5. Active hip extension causing hip pain

Interpretation:

Variables Sensitivity Specificity +LR -LR Post-Test Prob
1 0.95 0.18 1.20 0.27 33.0%
2 0.81 0.61 2.10 0.31 46.0%
3 0.71 0.86 5.20 0.33 68.0%
4 0.48 0.98 24.30 0.53 91.0%
5 0.14 0.98 7.30 0.87 75.0%

Research:

1. Sutlive TG, et al. Development of a clinical prediction rule for diagnosing hip osteoarthritis in individuals with unilateral hip pain. Journal of Orthopaedic & Sports Physical Therapy. 2008; 38(9): 542-550.

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