The Effect of Abdominal Pain Duration on the Accuracy of Diagnostic Imaging for Pediatric Appendicitis Richard G. Bachur, MD, Peter S. Dayan, MD, MSc,

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Presentation transcript:

The Effect of Abdominal Pain Duration on the Accuracy of Diagnostic Imaging for Pediatric Appendicitis Richard G. Bachur, MD, Peter S. Dayan, MD, MSc, Lalit Bajaj, MD, Charles G. Macias, MD, Manoj K. Mittal, MD, Michelle D. Stevenson, MD, Nanette C. Dudley, MD, Kelly Sinclair, MD, Jonathan Bennett, MD, Michael C. Monuteaux, ScD, Anupam B. Kharbanda, MD, MSc Annals of Emergency Medicine Volume 60, Issue 5, Pages 582-590.e3 (November 2012) DOI: 10.1016/j.annemergmed.2012.05.034 Copyright © 2012 American College of Emergency Physicians Terms and Conditions

Figure 1 Pediatric patients included in the analysis subsample. US, ultrasound. Annals of Emergency Medicine 2012 60, 582-590.e3DOI: (10.1016/j.annemergmed.2012.05.034) Copyright © 2012 American College of Emergency Physicians Terms and Conditions

Figure 2 Flow diagram to indicate the number of patients who had each imaging modality, the results of the imaging, and the final outcomes (rectangles). Fifteen patients who had both imaging modalities are not shown in Figure 2 because there is conflicting data regarding the order of the 2 studies. Annals of Emergency Medicine 2012 60, 582-590.e3DOI: (10.1016/j.annemergmed.2012.05.034) Copyright © 2012 American College of Emergency Physicians Terms and Conditions

Figure 3 A, Sensitivity and specificity of CT and ultrasonography to detect appendicitis, excluding equivocal cases. B, Sensitivity and specificity of CT and ultrasonography to detect appendicitis, including equivocal cases. Annals of Emergency Medicine 2012 60, 582-590.e3DOI: (10.1016/j.annemergmed.2012.05.034) Copyright © 2012 American College of Emergency Physicians Terms and Conditions

Figure 4 The proportion of pediatric patients with equivocal CT and ultrasonographic findings across subgroups of patients stratified by abdominal pain duration. Annals of Emergency Medicine 2012 60, 582-590.e3DOI: (10.1016/j.annemergmed.2012.05.034) Copyright © 2012 American College of Emergency Physicians Terms and Conditions

Time from clinical exam to imaging study among pediatric patients assessed in the ED for appendicitis. Annals of Emergency Medicine 2012 60, 582-590.e3DOI: (10.1016/j.annemergmed.2012.05.034) Copyright © 2012 American College of Emergency Physicians Terms and Conditions