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Table 3 Curve fitting metrics for PET kinetic modeling

From: 18F-FDG PET and DCE kinetic modeling and their correlations in primary NSCLC: first voxel-wise correlative analysis of human simultaneous [18F]FDG PET-MRI data

PET Relative RMSE Fraction of voxels in percent
Relative RMSE ≤ 20% 20% < relative RMSE ≤ 45% 45% < Relative RMSE
1 13.4 (10; 20.3) 74% 23% 3%
2 9.0 (6.9; 12.2) 99.6% 0.4% 0%
3 18.1 (12.9; 26.8) 57% 36% 7%
4 34.3 (29; 39) 0% 94.8% 5.2%
5 16.1 (14; 18.1) 87.2% 12.8% 0%
6 23.7 (19.6; 27.3) 27% 72% 1%
7 49.2 (44.1; 54) 0% 29% 71%
8 43.5 (39.7; 51.2) 0% 57.6% 42.4%
9 8.5 (7.4; 9.8) 98.2% 1.8% 0%
10 12.3 (9.8; 15.3) 95.3% 4.7% 0%
11 15.5 (11.5; 19.5) 77.8% 22.2% 0%
12 9.5 (7.6; 11.8) 99.7% 0.3% 0%
13 9.2 (7.7; 11.3) 99.4% 0.6% 0%
14 8.2 (7.4; 9.2) 100% 0% 0%
All 10.3 (8.1; 14.3) 89.3% 7.6% 3.1%
  1. Relative RMSE data are expressed as median (IQR)