Signs and Evidence

Making clinical sense of scientific data

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Closed fist sign

Carpal tunnel syndrome
 Positive likelihood ratio
7.30 ( Christopher A et al. )
(average) 7.3
Negative likelihood ratio
0.40 ( Christopher A et al. )
(average) 0.4


Sources used:

1.Christopher A et al. Does This Patient Have Carpal Tunnel Syndrome? JAMA. 2000;283(23):3110-3117