Table 4. Distribution of PI-RADS v.2.1 Scores between Image Sets.
| Location | PI-RADS 3 | PI-RADS 4 | PI-RADS 5 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reviewer 1 | Reviewer 2 | Reviewer 1 | Reviewer 2 | Reviewer 1 | Reviewer 2 | |||||||
| aDWI | cDWI | aDWI | cDWI | aDWI | cDWI | aDWI | cDWI | aDWI | cDWI | aDWI | cDWI | |
| Peripheral zone | 1 | 0 | 7 | 3 | 15 | 16 | 17 | 24 | 28 | 28 | 20 | 17 |
| Transitional zone | 0 | 1 | 4 | 5 | 7 | 7 | 7 | 9 | 18 | 17 | 14 | 11 |
| Fibromuscular zone | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 4 | 3 | 3 |
| Diffuse | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 15 | 15 | 15 | 14 |
aDWI = acquired diffusion-weighted imaging, cDWI = computed diffusion-weighted imaging, PI-RADS = Prostate Imaging-Reporting and Data System