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Diagnosis
Review: hand symptom diagrams, weak thumb abduction, and hypalgesia are helpful in diagnosing carpal tunnel syndrome

https://doi.org/10.1136/ebm.6.3.94

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    (2000) JAMA 283, 3110. D'Arcy CA, McGee S.. Does this patient have carpal tunnel syndrome?. Jun 21;. :. –7.
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 QUESTION: What is the accuracy of the history and physical examination in diagnosing carpal tunnel syndrome (CTS)?

    Data sources

    Studies were identified by searching Medline (1966 to February 2000) with the terms carpal tunnel syndrome, diagnosis, Tinel, Hoffman, and Phalen. References of relevant articles were reviewed. The search was limited to English language studies.

    Study selection

    Studies were selected if they addressed the diagnosis of CTS in adults; patients presented with symptoms suggestive of CTS; a clear description of the physical examination was provided; the results of the physical examination and electrodiagnostic studies were apparently assessed independently; and numbers needed to calculate sensitivity, specificity, and likelihood ratios (LRs) were available.

    Data extraction

    2 independent reviewers extracted data on history, physical findings, and CTS …

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