Fig 1.
Graphical representation of various Hounsfield Unit ranges used for determining fat and skeletal muscle.
Visual output from Image J when assessing fat area, very low density muscle (VLDM), low density muscle (LDM), normal density muscle (NDM), and skeletal muscle area (SKM1).
Table 1.
Baseline demographics and computed tomography characteristics of study subjects.
Table 2.
Percent contribution of defined HU ranges to the overall total area of the mid-thigh.
Fig 2.
Bland-Altman plots of the individual subject differences between softwares for various cross sectional areas.
Table 3.
Mean (SD) CT cross-sectional area measurements between NIH Image J and Slice-O-Matic software using current methods.