Table 3.
Radiologist performance statistics
| MRI sequence | Sensitivity | Positive Predictive Value | Confidence Score | ||
|---|---|---|---|---|---|
| T2-weighted vs. T2 maps | |||||
| T2W | Overall | 51 % | 72 % | 4.5 ± 0.8 | |
| Radiologist 1 | 52 % | 81 % | 4.5 ± 0.8 | ||
| Radiologist 2 | 51 % | 65 % | 4.5 ± 0.9 | ||
| T2 map | Overall | 52 % | 88 % | 4.5 ± 0.6 | |
| Radiologist 1 | 57 % | 88 % | 4.7 ± 0.5 | ||
| Radiologist 2 | 47 % | 88 % | 4.2 ± 0.5 | ||
| Endorectal coil usage | |||||
| T2W | No endorectal coil | Overall | 47 % | 71 % | 4.4 ± 1.0 |
| Radiologist 1 | 47 % | 80 % | 4.4 ± 0.9 | ||
| Radiologist 2 | 47 % | 65 % | 4.3 ± 1.0 | ||
| Endorectal coil | Overall | 54 % | 72 % | 4.5 ± 0.8 | |
| Radiologist 1 | 55 % | 81 % | 4.6 ± 0.7 | ||
| Radiologist 2 | 54 % | 65 % | 4.5 ± 0.8 | ||
| T2 map | No endorectal coil | Overall | 48 % | 89 % | 4.4 ± 0.9 |
| Radiologist 1 | 53 % | 88 % | 4.8 ± 0.4 | ||
| Radiologist 2 | 44 % | 90 % | 4.2 ± 0.5 | ||
| Endorectal coil | Overall | 54 % | 87 % | 4.4 ± 0.5 | |
| Radiologist 1 | 59 % | 87 % | 4.8 ± 0.5 | ||
| Radiologist 2 | 49 % | 87 % | 4.2 ± 0.5 | ||