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Table 2 Impact of using an ensemble of CNNs on quantification for the pediatric lymphoma population. Shown are results for SUVmax, MTV, and TLG as summarized by Pearson’s correlation coefficient, R, and the relative percent difference when compared to physician measurements

From: Automated quantification of baseline imaging PET metrics on FDG PET/CT images of pediatric Hodgkin lymphoma patients

  SUVmax MTV TLG
Method R Cases incorrect
(of 100)
R RPD
Median [IQR]
R RPD
Median [IQR]
1st CNN initialization 0.73 24 0.89 − 3.5
[− 11.4, 4.2]
0.95 0.4
[− 5.2, 7.7]
2nd CNN initialization 0.74 25 0.87 − 4
[− 11.7, 3.9]
0.94 − 0.1
[− 5.1, 7]
3rd CNN initialization 0.59 24 0.89 − 3.8
[− 12.4, 5.3]
0.95 0
[− 6.7, 7.6]
Ensemble CNN 0.86 19 0.88 − 4.2
[− 10, 5.7]
0.94 − 0.4
[− 5.2, 7]