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General Orthopaedics

Study of validity parameters for clinical examination in meniscal injury

British Orthopaedic Association/Irish Orthopaedic Association Annual Congress (BOA/IOA)



Abstract

Introduction

As modern day lifestyle is becoming more active so is the incidence of meniscal injuries on rise. An injury to the meniscus is a common orthopedic problem with the incidence of meniscal injury resulting in meniscectomy of 61 per 100,000 populations per year. The common practice in diagnosis of the meniscal injury involves clinical examination followed by radiological or arthroscopic confirmation. The clinical tests commonly performed are joint line tenderness (JLT), McMurray's Test (Non-weight bearing test) and Childress Test (Weight Bearing Test).

Aim

In our study, we performed the comparative analysis of the validity parameters for components of clinical examination in form of Joint line tenderness, McMurray's test and Childress Test.

Methodology

A retrospective analysis was performed on the database established using Orchard Sports Injury Classification System-8. Codes KC2 and KC3 (Meniscal injuries) were identified for single examiner for duration from 2004–2007. Out of 88 patients considered for the study, 62 patients were stratified in whom only clinical examination was performed followed by arthroscopic evaluation. The validity parameters considered were accuracy, specificity, sensitivity, positive predictive value (PPV) and negative predictive value (NPV).

Results

Joint line tenderness had accuracy of 85.47%, sensitivity of 89.09%, and specificity of 57.14%, PPV of 94.23% and NPV of 40%. McMurray's test yielded a accuracy of 88.7%, sensitivity of 89.65%, specificity of 75%, PPV of 98.11%, NPV of 33.33% while Childress test accurately predicted meniscal injury 87.09% and was sensitive for 94.73% with specificity of 40%, PPV of 94.73% and NPV of 40%.

Conclusion

We can summarise that though the JLT, McMurray's Test and Childress Test provide a variable yet effective diagnostic value, all through can provide a composite diagnostic yield improving the outcome of clinical examination in meniscal injuries.