Table 3.
Comparison of Lesion Assessment Between DCE Sequences
| Feature | Standard | GRASP |
|---|---|---|
| Tumor-to-PZ contrasta | 0.19±0.13 | 0.21±0.12 |
| Subjective lesion contrast, reader 1b | 3.2±1.2 | 4.5±0.8 |
| Subjective lesion contrast, reader 2b | 3.2±1.2 | 3.9±1.1 |
| Inter-reader correlation, lesion AP diameter | 0.495 | 0.824 |
| Inter-reader correlation, lesion transverse diameter | 0.542 | 0.691 |
| Fraction of cases with earlier tumor enhancement detected only using given DCE technique | 0% (0/20) | 40% (8/20) |
a
Not statistically significant (P=0.581).
b
Reported on a 1–5 scale. Statistically significant for both readers (R1: P<0.001; R2: P=0.020).