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Table 2 Agreement on R2* iron level and fat fraction, between conventional MRI and IDEAL, as well as between readers

From: IDEAL-IQ in an oncologic population: meeting the challenge of concomitant liver fat and liver iron

 

ICC

Lower 95%CI

Upper 95%CI

Between conventional MRI and IDEAL

 R2* Iron level, Reader1

0.253

−0.025

0.494

 R2* Iron level, Reader2

0.291

0.016

0.524

 Fat fraction, Reader1

0.026

−0.252

0.300

 Fat fraction, Reader2

0.028

−0.249

0.302

Between readers

 IDEAL R2* iron

0.971

0.950

0.984

 IDEAL fat fraction

0.957

0.925

0.975

 Conventional fat fraction

0.626

0.422

0.770

  1. Agreement on R2* iron level and fat fraction between conventional MRI and IDEAL was poor. Using IDEAL, the agreement was high between readers on both R2* iron level and fat fraction. On conventional MRI, the reader agreement was moderate on fat fraction