Sensitivity, Specificity.
Excerpt from the entry in Meniscus Tear: Flex the hip and knee maximally. The studies that compared the diagnostic accuracy of the McMurray's test with that of modified versions of the test showed enhanced diagnostic accuracy for the modified tests. Description. Patient lies in the supine position with knee completely flexed. McMurray Test: Sensitivity and Specificity. This test had a sensitivity of 79.7% and a specificity of78.5%, a positive predictive value (PPV) of 90.7%, a negative predictive value (NPV) of59.4%. Start studying Knee Sensitivity and Specificity:. 1987; 76: 269-273. An audible or palpable snap during extension suggests a tear of the medial meniscus. McMurray Test: Sensitivity and Specificity. [2] Harilainen A. Introduction: None written.
In general, the higher the sensitivity, the lower the specificity, and vice versa. Apply a valgus (abduction) force to the knee while externally rotating the foot and passively extending the knee.
Sensitivity: Specificity: Comments, Study: McMurray Test: 52%: 97%: Flex the hip and knee maximally. If not, continue as described below. Apply a valgus (abduction) force to the knee while externally rotating the foot and passively extending the knee. The McMurray test had an accuracy of 79.4%: 59 true positive, 22 true negative, 6 false positive, 15 false negative. The study must have had at least one clinical special test, must have reported specificity and sensitivity and been written in English. McMurray's test is specific (97%) but not very sensitive (52%) (LOE: D ... gently and repeatedly perform the maneuvers of the McMurray test (see Chapter 115).
The McMurray test is commonly performed along with the joint line tenderness test … Apply a valgus (abduction) force to the knee while externally rotating the foot and passively extending the knee.
The combination of positive Thessaly and McMurray tests showed a sensitivity of 53% and specificity of 62%. Obtain knee radiographs, looking for an osteocartilaginous loose body or other disease. Validity, Reliability. The accuracy ofthe Apley test was 80.3%, with a sensitivity Likelihood Ratio +/-McMurray Test. … An audible or palpable snap during extension suggests a tear of the medial meniscus.
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However, evidence of the diagnostic accuracy of the duck walk test is lacking. Sensitivity: 0.51 Specificity: 0.78 +LR: 2.3-LR: 0.63 k= 0.16 Source: Ockert B, Haasters F, Polzer H, et al: [Value of the clinical examination in suspected meniscal injuries. Background Clinical tests used for the detection of meniscal tears provide varying levels of diagnostic parameters including sensitivity and specificity. In a recent study, clinical test results were compared with arthroscopic and/or arthrotomy findings as reference.
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