Body Composition Reference Values: Z-Score Calculator

Marquardt JP, Tonnesen PE, Mercaldo ND, Graur A, Allaire B, Bouxsein ML, Samelson EJ, Kiel DP, Fintelmann FJ. Subcutaneous and Visceral adipose tissue Reference Values from Framingham Heart Study Thoracic and Abdominal CT: Implications for defining adult overweight and obesity. Under review.

The publication featured above describes adipose tissue reference values. We offer a web interface that enables anyone to compare individual measurements of adipose tissue and skeletal muscle against the metrics of the study population.

The reference values for skeletal muscle have previously been described by the publication below.

Tonnesen PE, Mercaldo ND, Tahir I, Dietrich ASW, Amari W, Graur A, Allaire B, Bouxsein ML, Samelson EJ, Kiel DP, Fintelmann FJ. Muscle Reference Values from Thoracic and Abdominal CT for Sarcopenia Assessment: The Framingham Heart Study. Accepted for publication in Investigative Radiology.

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The web application is running on the open-source version of Shiny Server. It requires some time to start and may run slowly. A strong server load can lead to additional loading time, and we recommend visiting the site again at a different time point. If the problem persists, please contact the corresponding author of the publication or file the issue on GitHub. Alternatively, follow the guide below on running the app offline.

Comparing batches of data

When trying to compare a list of values, we strongly recommend to do so locally. The models are available as an R package on GitHub. Once again, we refer to the guide below for setting up a local version of the process.

Running the app offline.

Installing the R package on your device is easy. The exact procedure is described in the repository on GitHub.