Table 1.
Demographic characteristics at time of initial diagnosis
| Positive study (n=7) | Negative study (n=21) | Overall (n=28) | |
|---|---|---|---|
| Age, years | |||
| Median (range) | 61.1 (50.8-71.2) | 59.5 (54-76.1) | 60.6 (50.8-76.1) |
| PSA at diagnosis, ng/mL | |||
| Median (range) | 5.6 (1.4-40.0) | 7.1 (3.4-24.6) | 6.6 (1.4-40.0) |
| Gleason score, n (%) | |||
| 6-7 | 2 (28.6) | 11 (52.4) | 13 (46.4) |
| 8-10 | 5 (71.4) | 10 (47.6) | 15 (53.6) |
| T classification, n (%) | |||
| T1-T2 | 2 (28.6) | 8 (38.1) | 10 (35.7) |
| T3-T4 | 5 (71.4) | 9 (42.9) | 14 (50) |
| Tx | 0 | 4 (19) | 4 (14.3) |
| N classification, n (%) | |||
| N0 | 5 (71.4) | 12 (57.1) | 17 (60.7) |
| N1 | 1 (14.3) | 3 (14.3) | 4 (14.3) |
| Nx | 1 (14.3) | 6 (28.6) | 7 (25) |
| M classification, n (%) | |||
| M0 | 6 (85.7) | 18 (85.7) | 24 (85.7) |
| M1 | 0 | 1 (4.8) | 1 (3.6) |
| Mx | 1 (14.3) | 2 (9.5) | 3 (10.7) |
| Extra-prostatic extension, n (%) | |||
| Absence | 1 (14.3) | 5 (23.8) | 6 (21.4) |
| Presence | 4 (57.1) | 9 (42.9) | 13 (46.4) |
| Unknown | 2 (28.6) | 7 (33.3) | 9 (32.1) |
| Surgical margin, n (%) | |||
| Negative | 4 (57.1) | 7 (33.3) | 11 (39.3) |
| Positive | 2 (28.6) | 7 (33.3) | 9 (32.1) |
| Unknown | 1 (14.3) | 7 (33.3) | 8 (28.6) |
| Seminal vesicle invasion, n (%) | |||
| Absence | 2 (28.6) | 7 (33.3) | 9 (32.1) |
| Presence | 3 (42.9) | 7 (33.3) | 10 (35.7) |
| Unknown | 2 (28.6) | 7 (33.3) | 9 (32.1) |
| Lymphovascular invasion, n (%) | |||
| Absence | 2 (28.6) | 2 (9.5) | 4 (14.3) |
| Presence | 2 (28.6) | 6 (28.6) | 8 (28.6) |
| Unknown | 3 (42.9) | 13 (61.9) | 16 (57.1) |
| Perineural invasion, n (%) | |||
| Absence | 0 | 0 | 0 |
| Presence | 4 (57.1) | 8 (38.1) | 12 (42.9) |
| Unknown | 3 (42.9) | 13 (61.9) | 16 (57.1) |
| Risk classification, n (%) | |||
| Intermediate | 1 (14.3) | 4 (19) | 5 (17.9) |
| High | 3 (42.9) | 4 (19) | 7 (25) |
| Very high | 3 (42.9) | 8 (38.1) | 11 (39.3) |
| Unknown | 0 | 5 (23.8) | 5 (17.9) |
PSA, prostate-specific antigen.