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. 2020 Mar 10;15(3):e0229983. doi: 10.1371/journal.pone.0229983

Table 4. Diagnostic performances of 2D ADC measurement for treatment response.

Parameters Cutoff Sensitivity Specificity AUC
Pretreatment 2D ADCminimum
 Reader 1 ≤956 78% 50% 0.639
 Reader 2 >765 78% 50% 0.556
Pretreatment 2D ADCmean
 Reader 1 >1011 89% 50% 0.667
 Reader 2 >1001 78% 50% 0.611
Posttreatment 2D ADCminimum
 Reader 1 ≤1442 85% 100% 0.885*
 Reader 2 ≤1481 77% 75% 0.788*
Posttreatment 2D ADCmean
 Reader 1 ≤2079 85% 75% 0.904*
 Reader 2 ≤1783 69% 75% 0.788*
Percent change 2D ADCminimum
 Reader 1 ≤37.73 78% 100% 0.889*
 Reader 2 ≤39.3 100% 100% 1.000*
Percent change 2D ADCmean
 Reader 1 ≤34.73 100% 100% 1.000*
 Reader 2 ≤40.51 100% 50% 0.778

2D ADC, apparent diffusion coefficient values derived from single-section regions of interest.

AUC, areas under the curve.

* indicates statistical significance.