Emergency Physician Ultrasonography for Evaluating Patients at Risk for Ectopic Pregnancy: A Meta-Analysis John C. Stein, MD, Ralph Wang, MD, Naomi Adler, MD, John Boscardin, PhD, Vanessa L. Jacoby, MD, Gloria Won, BA, Ruth Goldstein, MD, Michael A. Kohn, MD Annals of Emergency Medicine Volume 56, Issue 6, Pages 674-683 (December 2010) DOI: 10.1016/j.annemergmed.2010.06.563 Copyright © 2010 American College of Emergency Physicians Terms and Conditions
Figure 1 Flow diagram for study selection. Annals of Emergency Medicine 2010 56, 674-683DOI: (10.1016/j.annemergmed.2010.06.563) Copyright © 2010 American College of Emergency Physicians Terms and Conditions
Figure 2 Sensitivity. Annals of Emergency Medicine 2010 56, 674-683DOI: (10.1016/j.annemergmed.2010.06.563) Copyright © 2010 American College of Emergency Physicians Terms and Conditions
Figure 3 Negative predictive value. Annals of Emergency Medicine 2010 56, 674-683DOI: (10.1016/j.annemergmed.2010.06.563) Copyright © 2010 American College of Emergency Physicians Terms and Conditions
Figure 4 Specificity. Annals of Emergency Medicine 2010 56, 674-683DOI: (10.1016/j.annemergmed.2010.06.563) Copyright © 2010 American College of Emergency Physicians Terms and Conditions
Figure 5 Positive predictive value. Annals of Emergency Medicine 2010 56, 674-683DOI: (10.1016/j.annemergmed.2010.06.563) Copyright © 2010 American College of Emergency Physicians Terms and Conditions
Figure 6 Summary receiver operating characteristic plot. The figure shows the summary curve, along with the point estimate and the 95% confidence region. Annals of Emergency Medicine 2010 56, 674-683DOI: (10.1016/j.annemergmed.2010.06.563) Copyright © 2010 American College of Emergency Physicians Terms and Conditions