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Table 4 Intra-class correlation coefficient of IVIM parameters measured by the two radiologists

From: Quantitative assessment of the microstructure of the mesorectum with different prognostic statuses by intravoxel incoherent motion diffusion-weighed magnetic resonance imaging

 

IVIM parameters

ICC (95% CI)

p

MAT

D (10–3·mm2/s)

0.658 (0.531–0.756)

 < 0.001

D* (10–3·mm2/s)

0.688 (0.570–0.779)

 < 0.001

f

0.758 (0.662–0.831)

 < 0.001

MDT

D (10–3·mm2/s)

0.837 (0.767–0.887)

 < 0.001

D* (10–3·mm2/s)

0.726 (0.619–0.807)

 < 0.001

f

0.644 (0.514–0.746)

 < 0.001

  1. CI Confidence interval, MAT Mesorectum adjacent to the tumour, MDT Mesorectum distant from the tumour, ICC Intra-class correlation coefficient, IVIM Intravoxel incoherent motion