Signs and Evidence

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Right lower quadrant pain

Appendicitis
 Positive likelihood ratio
1.20 ( David G. Bundy et )
8.00 ( Hardin M et al. )
1.12 ( Idris SA et al. )
(average) 3.44
Negative likelihood ratio
0.56 ( David G. Bundy et )
0.28 ( Hardin M et al. )
0.29 ( Idris SA et al. )
(average) 0.38


Sources used:

1.David G. Bundy et al. Does This Child Have Appendicitis? JAMA. 2007 Jul 25; 298(4): 438–451.
2.Hardin M et al. Acute Appendicitis: Review and Update. Am Fam Physician. 1999 Nov 1;60(7):2027-2034
3.Idris SA et al. The sensitivity and specificity of the conventional symptoms and signs in making adiagnosis of acute appendicitis. Sudan journal of medical sciences. 4. 55-61