Table 3.
Number of PRECISE cases on a per-patient and on a per-scan basis, for each reader in the two different cohorts and in the overall population
| Per-patient | ||||||
| UCL (n = 40) | Sapienza (n = 40) | Overall (n = 80) | ||||
| Reader 1 | Reader 2 | Reader 1 | Reader 2 | Reader 1 | Reader 2 | |
| PRECISE 1 | 3 (7) | 3 (7) | 3 (7) | 2 (3) | 6 (8) | 5 (5) |
| PRECISE 2 | 1 (3) | 1 (3) | 5 (12) | 1 (3) | 6 (8) | 2 (2) |
| PRECISE 3 | 21 (53) | 20 (50) | 23 (58) | 27 (67) | 44 (55) | 47 (59) |
| PRECISE 4 | 10 (25) | 11 (27) | 8 (20) | 10 (27) | 18 (22) | 21 (28) |
| PRECISE 5 | 5 (12) | 5 (13) | 1 (3) | NA | 6 (7) | 5 (6) |
| Per-scan | ||||||
| UCL (n = 111) | Sapienza (n = 68) | Overall (n = 179) | ||||
| Reader 1 | Reader 2 | Reader 1 | Reader 2 | Reader 1 | Reader 2 | |
| PRECISE 1 | 4 (4) | 6 (5) | 4 (6) | 3 (3) | 8 (5) | 9 (5) |
| PRECISE 2 | 1 (1) | 1 (1) | 6 (9) | 1 (1) | 7 (4) | 2 (1) |
| PRECISE 3 | 83 (75) | 85 (77) | 46 (68) | 52 (77) | 129 (72) | 137 (76) |
| PRECISE 4 | 19 (17) | 14 (13) | 11 (16) | 12 (19) | 30 (16) | 26 (15) |
| PRECISE 5 | 4 (3) | 5 (4) | 1 (1) | NA | 5 (3) | 5 (3) |
Percentages in parentheses (%). At UCL, three different scanners were used: two 1.5-T (Symphony or Avanto, Siemens) and one 3-T system (Achieva, Philips), with a pelvic phased-array coil. At Sapienza, all exams were performed on a 3-T scanner (Discovery MR750, GE Healthcare) using a 32-multichannel surface phased-array body coil, but in some of the earlier scans, an endorectal coil was also used
UCL University College London, NA not available