Signs and Evidence

Making clinical sense of scientific data

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Migration of pain

Appendicitis
 Positive likelihood ratio
3.60 ( Wagner JM et al. )
3.20 ( Hardin M et al. )
(average) 3.4
Negative likelihood ratio
0.40 ( Wagner JM et al. )
0.50 ( Hardin M et al. )
(average) 0.45


Sources used:

1.Wagner JM et al. Does This Patient Have Appendicitis? JAMA. 1996;276(19):1589-1594
2.Hardin M et al. Acute Appendicitis: Review and Update. Am Fam Physician. 1999 Nov 1;60(7):2027-2034