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Table 2 LBM calculated using the Dixon, James, and Janma models compared with DXA as the reference standard

From: Evaluation of SUVlean consistency in FDG and PSMA PET/MR with Dixon-, James-, and Janma-based lean body mass correction

(Unit: 100%)   Mean + SD Bias ± 2SD Paired t test Correlation with DXA
Female, N = 20, 63.01±3.91 Dixon 63.04 ± 5.73 − 1.14 ± 7.84 0.217 0.718
James 73.59 ± 4.82 − 10.59 ± 6.79 < 0.001 0.707
Janma 65.08 ± 3.67 − 2.07 ± 5.66 0.005 0.721
Male, N = 20, 73.37 ± 3.71 Dixon 71.50 ± 4.56 2.02 ± 5.27 0.003 0.809
James 78.80 ± 4.74 − 5.44 ± 8.95 < 0.001 0.446
Janma 77.95 ± 5.45 − 4.59 ± 9.75 < 0.001 0.468
All, N = 40, 68.19 ± 6.43 Dixon 67.27 ± 6.67 0.44 ± 7.30 0.460 0.853
James 76.20 ± 5.41 − 8.01 ± 9.36 < 0.001 0.694
Janma 71.51 ± 7.97 − 3.33 ± 8.26 < 0.001 0.850
  1. LBM lean body mass, DXA dual energy X-ray absorptiometry, SD standard deviation