Table 1.
Characteristics of patient cohort.
| OP1 ∪ OP2 | OP1 | OP2 | OP1∩OP2 | |
|---|---|---|---|---|
| Patient, n | 45 | 34 | 23 | 12 |
| Age at biopsy, mean ± SD | 62.3 ± 8.1 | 63.1 ± 7.7 | 62.3 ± 8.3 | 64.6 ± 7.2 |
| PSA ng/mL, mean ± SD | 7.8 ± 8.4 | 7.7 ± 9.2 | 8.3 ± 5.3 | 8.4 ± 4.9 |
|
| ||||
| Lesion, n | 56 | 39 | 33 | 16 |
| PZ, n (%) | 38 (68) | 25 (64) | 22 (67) | 9 (56) |
| CG, n (%) | 18 (32) | 14 (36) | 11 (33) | 7 (44) |
| Apex, n (%) | 31 (55) | 19 (49) | 19 (58) | 7 (44) |
| Mid, n (%) | 15 (27) | 12 (31) | 8 (24) | 5 (31) |
| Base, n (%) | 10 (18) | 8 (20) | 6 (18) | 4 (25) |
| Benign, n (%) | 41 (73) | 30 (77) | 24 (73) | 13 (81) |
| Tumor, n (%) | 15 (27) | 9 (23) | 9 (27) | 3 (19) |
OP1 and OP2 indicate the more experienced and less experienced operators, respectively. n and SD denote a number and standard deviation, respectively. OP1 ∪ OP2 denotes that both or either of OP1 and OP2 performed visual registration. OP1∩OP2 indicates that both OP1 and OP2 performed visual registration.