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Katz, J.N., Stirrat, C.R., Larson, M.G., Fossel, A.H., Eaton, H.M. and Liang, M.H. (1990) A Self-Administered Hand Symptom Diagram for the Diagnosis and Epidemiologic Study of Carpal Tunnel Syndrome. Journal of Rheumatology, 17, 1495-1498.

has been cited by the following article:

• TITLE: Predicting the Outcome of Nerve Conduction Studies in Patients with Suspected Carpal Tunnel Syndrome: Using an Existing Carpal Tunnel Assessment Tool

  AUTHORS: Carl Edwards, Ian Frampton

  KEYWORDS: Carpal Tunnel Syndrome, Questionnaire, Nerve Conduction Studies, Health Economics

  JOURNAL NAME: Open Journal of Therapy and Rehabilitation, Vol.2 No.2, May 29, 2014

  ABSTRACT: This service evaluation and pilot study was designed to establish whether a clinical questionnaire could be incorporated within our Secondary Care Carpal Tunnel Service. The purpose of the questionnaire is to predict the positive and negative results of Nerve Conduction Studies (NCS) in those patients with suspected Carpal Tunnel Syndrome. The hand specialist, preceding NCS administered the questionnaire; it was then scored at a later date. Results showed a sensitivity of 86% and specificity of 84% referring to the ability to predict a positive NCS when using a predetermined cut-off score. When analysed with Receiver Operating Characteristics, a threshold score could be determined in order to obtain 100% sensitivity/specificity. This questionnaire can be used as a useful adjunct to assessment of those presenting with suspected Carpal Tunnel Syndrome. Using the questionnaire to identify those patients scoring outside a predetermined threshold range would reduce the need for NCS by nearly 50%, with significant cost and clinical practice implications.