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Determination of Height, Weight, Body Mass Index, and Body Surface Area with a Single Abdominal CT Image¹

¹ From the Department of Radiology, University of California Davis Medical Center, 4701 X St, Sacramento, CA 95817-2205. Received February 21, 2002; revision requested April 18; final revision received October 29; accepted November 5. Address correspondence to J.M.B. (e-mail: jmboone@ucdavis.edu).

Techniques for estimation of an individual’s height, weight, body mass index (BMI), and body surface area (BSA) with a single abdominal computed tomographic (CT) image were developed. Eighty-seven abdominal CT examinations performed in adult humans were analyzed. Anatomic structures were outlined on the CT section that included L1. Multiple linear regression analysis was used to derive sex-specific predictive equations. Correlation for height was good (r > 0.65). Relationship between predicted weight and actual weight was good (r > 0.93). For BMI and BSA, r was greater than 0.893 and greater than 0.895, respectively. In this study, predictive equations for height, weight, BMI, and BSA were generated.

© RSNA, 2003

Index terms: Abdomen, CT, 70.1211 • Computed tomography (CT), utilization, 70.1211

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