Signs and Evidence

Making clinical sense of scientific data

SEARCH

Ultrasound for appendicitis

Appendicitis
 Positive likelihood ratio
4.94 ( Al-Ajerami Y et al. )
16.60 ( Al-Khayal KA et al. )
45.50 ( Toorenvliet BR et al. )
30.33 ( Neufeld D et al. )
14.17 ( Doria AS et al. )
(average) 22.31
Negative likelihood ratio
0.19 ( Al-Ajerami Y et al. )
0.18 ( Al-Khayal KA et al. )
0.09 ( Toorenvliet BR et al. )
0.09 ( Neufeld D et al. )
0.16 ( Doria AS et al. )
(average) 0.14


Sources used:

1.Al-Ajerami Y et al. Sensitivity and specificity of ultrasound in the diagnosis of acute appendicitis. East Mediterr Health J. 2012 Jan;18(1):66-9
2.Al-Khayal KA et al. Computed tomography and ultrasonography in the diagnosis of equivocal acute appendicitis. A meta-analysis. Saudi Med J. 2007 Feb;28(2):173-80
3.Toorenvliet BR et al. Routine ultrasound and limited computed tomography for the diagnosis of acute appendicitis. World J Surg 34(10):2278, October 2010
4.Neufeld D et al. Management of acute appendicitis: an imaging strategy in children. Ped Surg Internat 26(2):167, February 2010
5.Doria AS et al. US or CT for diagnosis of appendicitis in children and adults? A meta-analysis. Radiology 241(1):83, October 2006