Table 3 Single ROI study vs multiple ROI study. For the multiple lesion affected patients, values obtained in multiple ROI drawing in BI were compared to the ones obtained in single ROI drawing in LIFEx. P values compared the mentioned pair of data.
Threshold | Study type | BI (cm3) | LIFEx (cm3) | p value | ||||
|---|---|---|---|---|---|---|---|---|
Mean | Median | Range | Mean | Median | Range | BI vs LIFEx | ||
2.5 | Single ROI | 250.96 | 203.41 | 9–805 | 249.84 | 189.80 | 9–804 | 0.11 |
Multiple ROI | 247.85 | 197.74 | 9–794 | – | – | – | 0.07 | |
41% | Single ROI | 96.21 | 75.90 | 13–461 | 86.66 | 72.08 | 13–462 | 0.004 |
Multiple ROI | 101.90 | 76.52 | 17–470 | – | – | – | 0.04 | |
50% | Single ROI | 63.10 | 44.20 | 8–384 | 57.82 | 43.62 | 8–384 | 0.004 |
Multiple ROI | 66.06 | 47.14 | 11–393 | – | – | – | 0.007 | |
