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Table 3 Fit of SNR norm with various patient-dependent parameters

From: Optimized dose regimen for whole-body FDG-PET imaging

Patient-dependent parameter Biograph TruePoint Biograph mCT
OSEM3D OSEM3D + PSF + TOF OSEM3D + PSF OSEM3D
a d R 2 p value of F test a d R 2 p value of F test a d R 2 p value of F test a d R 2 p value of F test
Body mass (kg) 31.43 1.02 0.93 - 63.57 1.22 0.77 - 24.47 0.99 0.79 - 30.19 1.08 0.84 -
BMI (kg/m2) 11.16 1.04 0.78 <0.001* 19.20 1.28 0.52 0.003* 11.28 1.10 0.56 0.006* 13.11 1.20 0.59 <0.001*
Lean body mass (Hume, kg) 63.07 1.30 0.72 <0.001* 90.26 1.42 0.68 0.200 37.69 1.19 0.69 0.145 47.30 1.30 0.72 0.058
Fat mass (Hume, kg) 1.60 0.47 0.80 0.001* 2.01 0.60 0.64 0.065 1.61 0.51 0.67 0.081 1.56 0.56 0.71 0.035*
Lean body mass (James, kg) 20.41 1.01 0.49 <0.001* 46.46 1.24 0.65 0.119 21.44 1.03 0.65 0.086 25.68 1.13 0.69 0.030*
Fat mass (James, kg) 1.39 0.44 0.75 <0.001* 1.66 0.57 0.56 0.009* 1.37 0.49 0.59 0.010* 1.31 0.54 0.63 0.002*
Mass per length (kg/m) 23.49 1.09 0.91 0.325 49.14 1.34 0.71 0.400 24.16 1.13 0.74 0.513 29.97 1.24 0.78 0.363
  1. Data were fitted with a first-order polynomial (Equation 4). *p < 0.05.