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Table 7 SUVmax, SUVmean, standard deviation and background variability quantitative indexes measured on the healty hepatic region on PET100, PET50 and PET50 + SP series of our patients

From: Clinical and phantom validation of a deep learning based denoising algorithm for F-18-FDG PET images from lower detection counting in comparison with the standard acquisition

  PET100 PET50 PET50 + SP PET100 PET100 + SP
110 patients 20 patients IMC > 30
SUVmax      
Mean value 3.4 4.0 3.4 4.0 3.6
Standard deviation 0.6 0.8 0.7 0.7 0.6
Mean ΔSUVmax 19.7% 2.3% − 9.6%
Std dev of ΔSUVmax 12.2% 7.9% 5.1%
SUVmean      
Mean value 2.2 2.2 2.3 2.6 2.7
Standard deviation 0.4 0.4 0.4 0.4 0.4
Mean ΔSUVpeak 0.2% 4.1% 5.0%
Std dev of ΔSUVpeak 1.3% 4.1% 2.2%
SD      
Mean value 0.29 0.39 0.28 0.35 0.25
Standard deviation 0.08 0.09 0.08 0.08 0.07
Mean ΔSD 34.0% − 4.2% − 28.2%
Std dev of ΔSD 12.0% 9.8% 11.9%
BV      
Mean value 13.1 17.3 12.0 13.5 9.3
Standard deviation 3.2 3.3 3.1 2.5 2.6
Mean ΔBV 34% − 7.9% − 31.5%
Std dev of ΔBV 12% 9.9% 12.1%
  1. On the right side of the table, the measured for the subgroup of patients with a elevated BMI (> 30)