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64-Channel Cardiac Computed Tomography Intraobserver and Interobserver Variability (Part 1): Coronary Angiography

64-Channel Cardiac Computed Tomography Intraobserver and Interobserver Variability (Part... ORIGINAL ARTICLE 64-Channel Cardiac Computed Tomography: Intraobserver and Interobserver Variability (Part 1): Coronary Angiography Edward D. Nicol, BMedSci, BM, BS, MRCP,* James Stirrup, BM, BS, MRCP,Þ Michael Roughton, MSc,* Simon P.G. Padley, MBBS, FRCP, FRCR,þ and Michael B. Rubens, MBBS, FRCRþ reduces the clinical validity of the results because these are the Objectives: To assess intraobserver and interobserver variation in areas most likely to lead to disagreement. Additionally, there are computed tomography coronary angiography (CTA) in 3 patient cohorts no data assessing the effect of likelihood of CAD on at very low, low-to-intermediate, and intermediate-to-high likelihood of intraobserver or interobserver variation. The reproducibility of coronary artery disease (CAD). CTA is important clinically because referral for further Methods: One hundred thirty-three patients underwent 64-channel investigation, such as ICA, is usually determined by a predefined CTA. Coronary arteries were analyzed by 2 experienced blinded cutoff, that is, Q50% stenosis. observers and reported as having 0%, 1% to 29%, 30% to 49%, 50% to 69%, 70% to 99%, or 100% stenosis. Intraobserver and interobserver agreement was calculated at cohort level and combined. METHODS Results: Overall intraobserver and interobserver agreement was good (J = 0.74 and J = 0.78, respectively). Segmental agreement for http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Computer Assisted Tomography Wolters Kluwer Health

64-Channel Cardiac Computed Tomography Intraobserver and Interobserver Variability (Part 1): Coronary Angiography

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ISSN
0363-8715
eISSN
1532-3145
DOI
10.1097/RCT.0b013e31817c423e
pmid
19346839
Publisher site
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Abstract

ORIGINAL ARTICLE 64-Channel Cardiac Computed Tomography: Intraobserver and Interobserver Variability (Part 1): Coronary Angiography Edward D. Nicol, BMedSci, BM, BS, MRCP,* James Stirrup, BM, BS, MRCP,Þ Michael Roughton, MSc,* Simon P.G. Padley, MBBS, FRCP, FRCR,þ and Michael B. Rubens, MBBS, FRCRþ reduces the clinical validity of the results because these are the Objectives: To assess intraobserver and interobserver variation in areas most likely to lead to disagreement. Additionally, there are computed tomography coronary angiography (CTA) in 3 patient cohorts no data assessing the effect of likelihood of CAD on at very low, low-to-intermediate, and intermediate-to-high likelihood of intraobserver or interobserver variation. The reproducibility of coronary artery disease (CAD). CTA is important clinically because referral for further Methods: One hundred thirty-three patients underwent 64-channel investigation, such as ICA, is usually determined by a predefined CTA. Coronary arteries were analyzed by 2 experienced blinded cutoff, that is, Q50% stenosis. observers and reported as having 0%, 1% to 29%, 30% to 49%, 50% to 69%, 70% to 99%, or 100% stenosis. Intraobserver and interobserver agreement was calculated at cohort level and combined. METHODS Results: Overall intraobserver and interobserver agreement was good (J = 0.74 and J = 0.78, respectively). Segmental agreement for

Journal

Journal of Computer Assisted Tomography – Wolters Kluwer Health

Published: Mar 1, 2009

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