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Table 6 Summary table of texture parameters ranked 1-10 with Fisher and POE+ACC methods according to test subgroup T1-weighted images and imaging timepoints E1 and E3.

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

T1-WEIGHTED IMAGES R&R R&R Wilcoxon Wilcoxon
E1-E3 analyses Repeatability % of total Reproducibility % of total Slice thickness <8 mm
p
Slice thickness >= 8 mm
p
HISTOGRAM PARAMETERS     
MinNorm 24.793 2.445 0.504 0.465
Percentile, 1% 15.349 0.069 0.964 0.715
CO-OCCURENCE MATRIX PARAMETERS     
Inverse difference moment S(2,0) 20.950 29.298 0.008 0.068
Contrast S(3,0) 27.957 40.317 0.008 0.068
Correlation S(3,0) 24.569 38.395 0.021 0.068
Difference variance S(3,0) 26.169 35.250 0.021 0.068
Contrast S(4,0) 29.032 37.330 0.010 0.068
Correlation S(4,0) 25.661 36.025 0.021 0.068
Inverse difference moment S(4,0) 19.088 34.553 0.004 0.068
Correlation S(4,4) 17.730 40.414 0.021 0.068
Sum of squares S(4,-4) 52.253 2.218 0.859 1.000
Correlation S(5,0) 23.130 39.697 0.016 0.068
Inverse difference moment S(5,0) 23.111 37.188 0.013 0.068
Sum of squares S(0,5) 66.827 1.190 0.041 0.715
Sum of squares S(5,5) 64.191 3.647 0.477 0.715
RUN-LENGTH MATRIX PARAMETERS     
Grey level nonuniformity, 45° 4.635 13.324 0.003 0.068
Grey level nonuniformity, 135° 4.734 39.630 0.003 0.068
Fraction of image in runs, 135° 13.014 23.544 0.003 0.068
  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.