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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