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Table 4 Percentage of features falling in each of the four groups

From: Reproducibility of radiomic features in CT images of NSCLC patients: an integrative analysis on the impact of acquisition and reconstruction parameters

Image type

Image subtype

Group 1

Group 2

Group 3

Group 4

IR20

IR80

IR20

IR80

IR20

IR80

IR20

IR80

Original

All

(shape excluded)

70.0

82.9

18.6

5.7

9.3

11.4

2.1

0.0

Wavelet

All

65.0

75.9

14.3

3.4

18.4

20.5

2.3

0.2

LH

16.8

19.3

2.9

0.4

4.6

5.3

0.7

0.0

HL

18.0

20.7

4.1

1.4

2.7

2.9

0.2

0.0

HH

10.9

13.9

3.6

0.5

9.8

10.3

0.7

0.2

LL

19.3

22.0

3.7

1.1

1.3

2.0

0.7

0.0

LoG

All

64.6

87.6

32.3

9.3

2.7

3.1

0.4

0.0

0.5 mm

13.4

16.0

3.6

1.0

2.6

3.0

0.4

0.0

1.0 mm

15.5

19.0

4.4

0.9

0.1

0.1

0.0

0.0

1.5 mm

13.1

18.4

6.9

1.6

0.0

0.0

0.0

0.0

2.5 mm

11.6

17.6

8.4

2.4

0.0

0.0

0.0

0.0

5.0 mm

11.0

16.6

9.0

3.4

0.0

0.0

0.0

0.0

  1. The results are reported for the IR20 and the IR80 reconstructions. The percentage for the original images is evaluated excluding the shape features. IR iterative reconstruction, LoG Laplacian of Gaussian