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Table 4 Curve fitting metrics for DCE 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

DCE

Relative RMSE

Number of voxels in percent

Relative RMSE ≤ 20%

20% < relative RMSE ≤ 45%

45% < relative RMSE

1

35 (26; 51.5)

6.6%

60%

33.4%

2

30.2 (25; 36)

8.3%

87.1%

4.6%

3

46.6 (32.4; 65.3)

3.7%

44%

52.3%

4

29.3 (22.1; 46.9)

21.3%

50%

28.7%

5

23.8 (20.5; 28.5)

21.6%

76%

2.4%

6

49.1 (39.5; 68.5)

1.2%

43%

55.8%

7

68.3 (63.4; 73.2)

0%

0%

100%

8

65.8 (54.9; 84.9)

0%

8.8%

91.2%

9

19.5 (14.2; 29.6)

51.5%

37%

11.5%

10

42.5 (35; 56)

0.1%

56%

43.9%

11

29.8 (23.1; 41.7)

14.5%

64.9%

20.6%

12

36.7 (28; 51.4)

5%

61.4%

33.6%

13

27 (19.7; 40.8)

26.7%

54.2%

19.1%

14

21.1 (15; 29.6)

46.3%

42.5%

11.2%

All

31.8 (22.4; 46.6)

18.6%

54.7%

26.7%

  1. Relative RMSE data are expressed as median (IQR)
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