Table 1:
Summary of the three datasets.
| Cohort C1: Radical Prostatectomy | Cohort C2: Targeted Biopsy | Cohort C3: Normal | |||||
| Variable | MRI | Pathology | MRI | MRI | |||
| Patient Number | 129 | 129 | 275 | 39 | |||
| Sequence/Data Type | T2w | ADC | Whole-mount | T2w | ADC | T2w | ADC |
| Acquisition Characteristics | TR: [3.9, 6.3] TE: [122, 130] |
b-vals: 0, 50, 800, 1000, 1200 | H&E staining | TR: [2.0, 7.4] TE: [92, 150] |
b-vals: 0, 25, 50, 800, 1200, 1400 | TR: [1.7, 7.6] TE: [81, 149] |
b-vals: 0, 25, 50, 800, 1200, 1400 |
| Matrix Size | [256, 512] | [50, 256] | [1665, 7556] | [256, 512] | [50, 256] | [512] | [256] |
| Slice Number | [20, 44] | [15, 40] | [3,11] | [20, 43] | [14, 40] | [24, 48] | [24, 48] |
| Pixel Spacing (mm) | [0.27, 0.94] | [0.78, 1.50] | [0.008, 0.016] | [0.39, 0.47] | [0.78, 1.01] | [0.35, 0.43] | [0.78, 1.25] |
| Distance between slices (mm) | [3, 5.2] | [3, 4.50] | [3, 5.2] | [3, 4.2] | [3, 4.6] | [3, 4.2] | [3, 6] |
| Annotations (number of patients) | |||||||
| Prostate | Yes (129) | Yes (129) | Yes (129) | Yes (275) | No | Yes (39) | No |
| Pathologist outlined cancer | Yes (123) | Yes (123) | Yes (123) | No | No | No | No |
| Per-pixel Gleason pattern (Ryu et al., 2019) | Yes (121) | Yes (121) | Yes (121) | No | No | No | No |
| Train-test splits (number of patients) | |||||||
| Train | Yes (74) | Yes (74) | Yes (74) | No | No | Yes (24) | Yes (24) |
| Test | Yes (55) | Yes (55) | No | Yes (275) | Yes (275) | Yes (15) | Yes (15) |
Abbreviations- T2w: T2-weighted MRI, H& E: Hematoxylin & Eosin, TR: Relaxation Time (s), TE: Echo Time (ms), b-vals: b-values (s/mm2). [a, b] indicates range between a and b.