Skip to main content

Table 8 Summary table of texture parameters ranked 1-10 with Fisher and POE+ACC methods according to test subgroup T2-weighted images and imaging timepoints E2 and E3.

From: Non-Hodgkin lymphoma response evaluation with MRI texture classification

T2-WEIGHTED IMAGES R&R R&R Wilcoxon Wilcoxon
E2-E3 analyses Repeatability % of total Reproducibility % of total Slice thickness <8 mm
p
Slice thickness >= 8 mm
p
HISTOGRAM PARAMETERS     
MinNorm 14.090 24.380 0.002 0.124
Variance 1.655 16.743 0.028 0.149
CO-OCCURENCE MATRIX PARAMETERS     
Contrast S(2,0) 19.563 41.264 0.055 0.001
Contrast S(2,2) 23.139 43.325 0.033 <0,001
Contrast S(3,0) 22.618 45.195 0.023 0.002
Correlation S(3,0) 21.555 40.965 0.009 0.001
Contrast S(0,3) 30.424 34.725 0.116 <0,001
Contrast S(3,3) 23.282 48.345 0.023 0.004
Correlation S(3,3) 22.095 44.779 0.016 0.010
Contrast S(4,0) 26.599 44.458 0.006 0.011
Correlation S(4,0) 23.479 41.166 0.003 0.009
Sum of squares S(4,0) 71.978 3.535 0.807 0.868
Correlation S(4,4) 23.823 42.301 0.016 0.055
Difference entropy S(4,-4) 10.347 7.011 0.039 0.210
Sum average S(0,5) 35.828 0.000 0.972 0.011
Angular second moment S(5,-5) 8.994 12.106 0.064 0.015
Inverse difference moment S(5,-5) 46.459 0.000 0.917 0.795
RUN-LENGTH MATRIX PARAMETERS     
Grey level nonuniformity, 135° 6.265 33.780 0.003 0.004
ABSOLUTE GRADIENT PARAMETERS     
Mean 18.036 44.271 0.039 <0,001
Skewness 63.599 15.598 0.221 0.044
  1. Texture parameters are given in rows. In the columns R&R repeatability and reproducibility of total, and Wilcoxon test for fat saturation series grouped with image slice thickness less than 8 mm, and 8 mm or thicker.