Clinical and Pathologic Characteristics of Whole Sample
| Parameter | Whole sample (n = 195) | PET/CT negative (n = 83) | PET/CT positive (n = 112) | P |
| Interval prostatectomy—11C-choline PET/CT (y) | 0.350 | |||
| Mean ± SD | 4.8 ± 3.0 | 4.5 ± 2.7 | 4.9 ± 3.2 | |
| Median | 4.2 | 4.2 | 4.1 | |
| Range | 0.4–14.4 | 0.4–12.4 | 0.7–14.4 | |
| Age (y) | 0.864 | |||
| Mean ± SD | 68 ± 7 | 68 ± 6 | 68 ± 7 | |
| Median | 68 | 68 | 67 | |
| Range | 50–85 | 50–79 | 51–85 | |
| PSA (ng/mL) | <0.001 | |||
| Mean ± SD | 5.17 ± 8.45 | 2.60 ± 5.39 | 7.08 ± 9.73 | |
| Median | 1.82 | 1.01 | 3.03 | |
| Range | 0.22–48.6 | 0.22–35.0 | 0.25–48.6 | |
| PSADT (mo) (n = 76) | 0.003 | |||
| Mean ± SD | 6.67 ± 4.82 | 9.04 ± 5.68 | 5.23 ± 3.58 | |
| Median | 5.47 | 7.89 | 4.79 | |
| Range | 1.11–23.59 | 1.13–23.59 | 1.11–18.37 | |
| Pathologic stage | <0.001 | |||
| pT2pN0 | 62 (32) | 41 (49) | 21 (19) | |
| pT3pN0 and pT4pN0 | 82 (42) | 28 (34) | 54 (48) | |
| Any T pN1 | 51 (26) | 14 (17) | 37 (33) | |
| Gleason score | 0.411 | |||
| <7 | 40 (20) | 20 (24) | 20 (18) | |
| 7 | 85 (44) | 37 (45) | 48 (43) | |
| >7 | 70 (36) | 26 (31) | 44 (39) |
Data in parentheses are percentages.