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Table 5 Summary table of texture parameters ranked 1-10 with Fisher and POE+ACC methods according to test subgroup T1-weighted images and imaging timepoints E2 and E3.

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

T1-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     
Variance 11.452 22.145 0.953 0.465
CO-OCCURENCE MATRIX PARAMETERS     
Contrast S(2,0) 31.815 28.807 0.139 0.465
Contrast S(3,0) 27.957 40.317 0.051 0.144
Difference variance S(3,0) 26.169 35.250 0.139 0.273
Contrast S(4,0) 29.032 37.330 0.051 0.144
Correlat S(4,0) 25.661 36.025 0.086 0.144
Correlat S(0,4) 21.528 38.249 0.139 0.068
Correlat S(5,0) 23.130 39.697 0.038 0.068
Sum average S(5,0) 55.837 4.961 0.214 0.144
Sum average S(0,5) 44.169 6.142 0.859 0.715
Inverse difference moment S(5,5) 53.397 24.684 0.678 0.465
Difference variance S(5,-5) 50.986 14.473 0.515 0.715
RUN-LENGTH MATRIX PARAMETERS     
Grey level nonuniformity, 0° 6.015 43.441 0.066 0.273
Run length nonuniformity, 45° 7.013 31.416 0.139 0.068
Grey level nonuniformity, 45° 4.635 13.324 0.066 0.465
Short run emphasis, 135° 13.062 21.630 0.021 0.144
ABSOLUTE GRADIENT PARAMETERS     
Mean 24.582 28.201 0.038 0.144
Kurtosis 60.387 1.194 0.767 1.000
AUTOREGRESSIVE MODEL PARAMETERS     
Teta 3 58.511 0.000 0.028 0.465
  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.