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Table 3 Comparison of normal and tumor tissues (Entries in bold were significant)

From: CT texture features are associated with overall survival in pancreatic ductal adenocarcinoma a quantitative analysis

Texture feature

Tumor tissue median (interquartile range)

Normal tissue median (interquartile range)

Tumor vs Normal comparison p-value (Rank sum test)

Uniformity

0.181 (0.165–0.192)

0.210 (0.189–0.225)

<0.001

Entropy

{−0.758 (−0.987-0.681)} × 10−3

{−0.611 (−0.746-0.508)} × 10−3

0.009

Dissimilarity

0.286 (0.249–0.311)

0.270 (0.223–0.304)

0.530

Correlation

0.393 (0.267–0.464)

0.486 (0.430–0.591)

<0.001

Inverse Difference Normalized

0.859 (0.845–0.877)

0.866 (0.849–0.889)

0.511

Mean Intensity

55.988 (41.099–62.617)

70.255 (60.452–81.506)

<0.001