TABLE 2.
Lesion and Slice Quantification of Training, Validation Test
| PI-RADS score | Training (70%) (482 patients) | Validation (20%) (137 patients) | Test (10%) (68 patients) | Total (687 patients) | ||||
|---|---|---|---|---|---|---|---|---|
| Lesion (N,%) | Slices (N,%) | Lesion (N,%) | Slices (N,%) | Lesion (N,%) | Slices (N,%) | Lesion (N,%) | Slices (N,%) | |
| 2 | 78 (11) | 229 (8) | 25 (12) | 80 (9) | 10 (11) | 36 (9) | 113 (11) | 345 (8) |
| 3 | 238 (33) | 735 (26) | 51 (24) | 165 (19) | 26 (27) | 94 (23) | 315 (30) | 994 (24) |
| 4 | 238 (33) | 777 (27) | 79 (37) | 259 (29) | 30 (32) | 105 (26) | 347 (34) | 1141 (28) |
| 5 | 173 (24) | 1094 (39) | 57 (27) | 381 (43) | 29 (31) | 175 (43) | 259 (25) | 1650 (40) |
| Total | 727 | 2835 | 212 | 885 | 95 | 410 | 1034 | 4130 |