Table 2 Mean ADC values (×10⁻³ mm²/s) and standard deviations (SDs) within each recorded ROI and the homogeneity indices (HI, calculated as the SD/mean ADC of each recorded ROI) of the pancreatic adenocarcinomas obtained with the 6 different-sized ROIs by two independent readers

1.46 ± 0.28

0.07 ± 0.04

1.46 ± 0.27

0.11 ± 0.11

1.45 ± 0.27

0.12 ± 0.08

1.48 ± 0.26

0.13 ± 0.10

1.45 ± 0.26

0.14 ± 0.10

1.49 ± 0.25

0.15 ± 0.08

0.40

1.45 ± 0.28

0.07 ± 0.06

1.49 ± 0.25

0.09 ± 0.07

1.49 ± 0.26

0.10 ± 0.06

1.48 ± 0.26

0.12 ± 0.09

1.48 ± 0.25

0.13 ± 0.10

1.46 ± 0.26

0.14 ± 0.09

0.39

1.52 ± 0.27

0.06 ± 0.03

1.54 ± 0.25

0.08 ± 0.06

1.51 ± 0.26

0.10 ± 0.06

1.54 ± 0.29

0.12 ± 0.07

1.51 ± 0.27

0.13 ± 0.07

1.46 ± 0.28

0.15 ± 0.10

0.09