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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