Table 3 Inter-observer comparison of apparent diffusion coefficient (ADC) values (× 10− 3 mm2/s) for benign thyroid nodules obtained by the whole-volume, single-slice and solid-sample ROI methods by two independent readers
From: Effect of region of interest on ADC and interobserver variability in thyroid nodules
Parameters | Solid-sample ROI | Single-slice ROI | Whole-volume ROI | |||
|---|---|---|---|---|---|---|
Reader 1 | Reader 2 | Reader 1 | Reader 2 | Reader 1 | Reader 2 | |
ADC400 | 2.03 (1.88, 2.27) [1.48, 2.93] | 2.02 (1.96, 2.20) [1.67, 2.95] | 2.03 (1.91, 2.36) [1.73, 3.17] | 2.06 (1.93, 2.18) [1.65, 3.24] | 2.05 (1.94, 2.28) [1.80, 3.25] | 2.06 (1.92, 2.19) [1.73, 3.26] |