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Table 4 Inter-observer reproducibility of the two repeated measurements of ADC by two independent readers

From: Effect of region of interest size on ADC measurements in pancreatic adenocarcinoma

 

Mean ADC ± SD (×10−3 mm2/s)

CV

Bias

LOA

ICC

ROI20

1.49 ± 0.24

15.9%

0.06

[−0.40, 0.53]

0.63

ROI46

1.50 ± 0.24

15.7%

0.08

[−0.38, 0.54]

0.59

ROI82

1.48 ± 0.19

12.6%

0.05

[−0.31, 0.42]

0.76

ROI115

1.51 ± 0.21

14.0%

0.07

[−0.35, 0.48]

0.70

ROI152

1.48 ± 0.22

14.6%

0.05

[−0.37, 0.48]

0.66

ROI214

1.47 ± 0.15

10.1%

−0.02

[−0.31, 0.27]

0.84

  1. SD standard deviation, CV coefficient of variance, LOA limit of agreement, ICC intra-class coefficient
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Cancer Imaging

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