Accuracy of administrative data versus clinical data to evaluate carotid endarterectomy and carotid stenting Rodney P. Bensley, MD, Shunsuke Yoshida, MD, Ruby C. Lo, MD, Margriet Fokkema, MD, Allen D. Hamdan, MD, Mark C. Wyers, MD, Elliot L. Chaikof, MD, PhD, Marc L. Schermerhorn, MD Journal of Vascular Surgery Volume 58, Issue 2, Pages 412-419 (August 2013) DOI: 10.1016/j.jvs.2013.01.010 Copyright © 2013 Society for Vascular Surgery Terms and Conditions
Fig 1 The 2 × 2 table used to calculate sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV). NSQIP, National Surgical Quality Improvement Program. Journal of Vascular Surgery 2013 58, 412-419DOI: (10.1016/j.jvs.2013.01.010) Copyright © 2013 Society for Vascular Surgery Terms and Conditions
Fig 2 Flow diagram depicting all patients captured by administrative data, National Surgical Quality Improvement Program (NSQIP) data, and physician chart review. CAS, Carotid artery stenting; CEA, carotid endarterectomy. Journal of Vascular Surgery 2013 58, 412-419DOI: (10.1016/j.jvs.2013.01.010) Copyright © 2013 Society for Vascular Surgery Terms and Conditions