The emerging science of quantitative imaging biomarkers terminology and definitions for scientific studies and regulatory submissions.
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The development and implementation of quantitative imaging biomarkers has been hampered by the inconsistent and often incorrect use of terminology related to these markers. Sponsored by the Radiological Society of North America, an interdisciplinary group of radiologists, statisticians, physicists, and other researchers worked to develop a comprehensive terminology to serve as a foundation for quantitative imaging biomarker claims. Where possible, this working group adapted existing definitions derived from national or international standards bodies rather than invent new definitions for these terms. This terminology also serves as a foundation for the design of studies that evaluate the technical performance of quantitative imaging biomarkers and for studies of algorithms that generate the quantitative imaging biomarkers from clinical scans. This paper provides examples of research studies and quantitative imaging biomarker claims that use terminology consistent with these definitions as well as examples of the rampant confusion in this emerging field. We provide recommendations for appropriate use of quantitative imaging biomarker terminological concepts. It is hoped that this document will assist researchers and regulatory reviewers who examine quantitative imaging biomarkers and will also inform regulatory guidance. More consistent and correct use of terminology could advance regulatory science, improve clinical research, and provide better care for patients who undergo imaging studies.
SubjectQIBA Terminology Working Group
Terminology as Topic
Statistics as Topic
Published Version (Please cite this version)10.1177/0962280214537333
Publication InfoBarnhart, Huiman; Sullivan, Daniel; Roy Choudhury, Kingshuk; Kessler, Larry G; Buckler, Andrew J; Choudhury, Kingshuk Roy; ... Zhang, Zheng (2015). The emerging science of quantitative imaging biomarkers terminology and definitions for scientific studies and regulatory submissions. Statistical methods in medical research, 24(1). pp. 9-26. 10.1177/0962280214537333. Retrieved from https://hdl.handle.net/10161/18037.
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Professor of Biostatistics and Bioinformatics
My research interests include both statistical methodology and disease-specific clinical research biostatistics. My statistical research areas include methods for assessing reliability/agreement between methods or raters, evaluating performance of new medical diagnostic tests, missing data, correlated categorical data and methods for clinical trials. My collaborative research include the following clinical areas: cardiovascular imaging, radiology imaging, cardiovascular disease, renal disea
Adjunct Associate Professor in the Department of Biostatistics and Bioinformatics
Statistical modelling, data analysis. Analysis of multiple observer studies. Analysis of complex data. Modelling tumor growth. Translation in drug discovery.Statistical analysis of images: cellular and medical imaging. Statistics of shape, structure and spatial arrangement.
Professor Emeritus of Radiology
Research interests are in oncologic imaging, especially the clinical evaluation and validation of imaging biomarkers for therapeutic response assessment.
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