Reference Values for CT-Assessed Body Composition R package bodycompref version 2.0.1 Get z-scores, percentiles, absolute values, and percent of predicted of a reference cohort. Functionality requires installing the data packages 'adiposerefdata' and 'musclerefdata'. For more information on the underlying research, please visit our website which also includes a graphical interface. The models and underlying data are described in Marquardt JP et al.(planned publication 2025; reserved doi 10.1097/RLI.0000000000001104), "Subcutaneous and Visceral adipose tissue Reference Values from Framingham Heart Study Thoracic and Abdominal CT", *Investigative Radiology* and Tonnesen PE et al. (2023), "Muscle Reference Values from Thoracic and Abdominal CT for Sarcopenia Assessment [column] The Framingham Heart Study", *Investigative Radiology*, <doi:10.1097/RLI.0000000000001012>. Software Depends: R (>= 4.0.0) Imports: assertthat, gamlss, stats, sae Suggests: testthat (>= 3.0.0), usethis, adiposerefdata, musclerefdata, knitr, rmarkdown J. Peter Marquardt <peter@kmarquardt.de> Comprehensive R Archive Network (CRAN) J. Peter Marquardt [aut, cre] (ORCID: <https://orcid.org/0000-0002-5596-1357>) GPL (>= 3) 2024-07-21 application/tgz https://CRAN.R-project.org/package=bodycompref doi:10.32614/CRAN.package.bodycompref