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Table 3 Interobserver agreement of quantitative parameters derived from IVIM-MRI between two readers for 168 lymph nodes with a short-axis diameter equal to or greater than 5 mm

From: Non-invasive MR assessment of the microstructure and microcirculation in regional lymph nodes for rectal cancer: a study of intravoxel incoherent motion imaging

Parameter

Reader1

Reader2

ICC

95% CI

D (10−3·mm2·s−1)

0.659 (0.216)

0.657 (0.210)

0.932

0.909~0.950

D* (10−3·mm2·s−1)

8.385 (4.883)

8.473 (5.182)

0.804

0.743~0.852

f

0.182 (0.098)

0.186 (0.097)

0.916

0.888~0.937

  1. Note: Value with number in parentheses is median with interquartile range; ICC intraclass correlation, CI confidence interval, D pure diffusion coefficient, D* pseudo-diffusion coefficient, f perfusion factor
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Cancer Imaging

ISSN: 1470-7330

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