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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