Preliminary evaluation of a sensory and psychomotor functional test battery for carpal tunnel syndrome: Part 2--Industrial subjects

American Industrial Hygiene Association Journal
O J JengT Oswald

Abstract

This study evaluated the Wisconsin functional sensory and psychomotor test battery for carpal tunnel syndrome (CTS). Subjects were 27 employees recruited from a food processing plant. Both hands of all subjects were examined and categorized by presence or absence of symptoms and nerve conduction study (NCS) findings (Symptom-/NCS-, Symptom+/NCS-, Symptom-/NCS+, and Symptom+/NCS+). Symptom-/NCS- category hands had significantly better performance (15-60%) for most of the functional test battery variables than Symptom+/NCS+ category hands. A significant gap detection threshold difference (32%) was observed between NCS+ and NCS- hands regardless of symptoms, with NCS- having impaired performance. No significant effect of CTS symptoms on performance was observed. Stepwise discriminant analysis was used to select the best variables to differentiate between groups. The ratio of the change in pinch rate with respect to required pinch force differentiated NCS+ from NCS- hands, with a sensitivity of 0.71 and a specificity of 0.68. The same variable had a sensitivity of 0.74 and specificity of 0.83 for distinguishing Symptom-/NCS- hands from all other categories. Pinch rate had a sensitivity of 0.82 and a specificity of 0.81 for separati...Continue Reading

References

Oct 26, 1978·The New England Journal of Medicine·D F Ransohoff, A R Feinstein
Feb 1, 1991·Scandinavian Journal of Work, Environment & Health·S BarnhartL Rosenstock
Jan 1, 1987·American Journal of Industrial Medicine·B A SilversteinT J Armstrong
Mar 1, 1972·Clinical Orthopaedics and Related Research·G S Phalen
Oct 1, 1991·Applied Ergonomics·R G RadwinF W Lupton

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Citations

Jul 23, 2003·American Journal of Industrial Medicine·Mary E SestoFrank J Salvi
Dec 14, 2004·The Journal of Bone and Joint Surgery. American Volume·Robert G RadwinStefan V Zachary
May 27, 2004·Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists·Joy C MacDermid, Jean Wessel

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