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Table 2 Determination of the diagnostic validation of the stump impingement reflex sign

From: The diagnostic value of the stump impingement reflex sign for determining anterior cruciate ligament stump impingement as a cause of knee locking

 

Scope (Truth) Positive

Scope (Truth) Negative

 

Exam (Test) Positive

7

3

10

Exam (Test) Negative

5

13

18

 

12

16

28

  1. Positive Predictive Value =7/10 = 0.7.
  2. Negative Predictive Value =13/18 = 0.72.
  3. Sensitivity =7/12 = 0.58.
  4. Specificity =13/16 = 0.81.
  5. Accuracy =20/28 = 0.71.
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BMC Sports Science, Medicine and Rehabilitation

ISSN: 2052-1847

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