Table 1.
Patient Demographics and Clinical Characteristics
| Non-Recurrent (n = 14) | Recurrent (n = 8) | Population Bias4 | |
|---|---|---|---|
| Age | |||
| Mean (SD) | 59.7 (5.3) | 65.6 (8.6) | p - value > 0.05 |
| Median | 59.5 | 68 | |
| Q1, Q3 | 56.5, 62.8 | 57.8, 69.8 | |
| Range | (50 – 69) | (54 – 79) | |
| Gleason Score | |||
| Range | (7 – 8) | (7 – 8) | p - value > 0.03 |
| Preoperative PSA level (ng/mL) | |||
| Mean (SD) | 8.5 (7.6) | 11.5 (6.5) | p - value > 0.05 |
| Median | 6.4 | 9.8 | |
| Q1, Q3 | 5.4, 9.6 | 6.2, 14.9 | |
| Range | (1.9 – 32.6) | (5.4 – 22.5) | |
| Prostate size (g) 1 | |||
| Mean (SD) | 53.7 (14.1) | 67.4 (58.9) | p - value > 0.05 |
| Median | 50.5 | 50.5 | |
| Q1, Q3 | 42.3, 63.5 | 41, 54.5 | |
| Range | (36 – 86) | (36 – 212) | |
| Cancer Index (cm3) 2 | |||
| Mean (SD) | 3.3 (3.2) | 7.5 (4.5) | p - value > 0.02 |
| Median | 2.2 | 7.3 | |
| Q1, Q3 | 1.2, 3.8 | 3.8, 10.2 | |
| Range | (0.1 – 11.3) | (1.8 – 15.1) | |
| Total Cancer Volume (cm3) 3 | |||
| Mean (SD) | 3.6 (3.3) | 7.5 (4.5) | p - value > 0.02 |
| Median | 3 | 7.5 | |
| Q1, Q3 | 1.3, 4.2 | 3.8, 10.2 | |
| Range | (0.1 – 12.1) | (2.2 – 15.1) | |
| PSA at the time of failure (ng/mL) | |||
| Mean (SD) | 0.4 (0.4) | ||
| Median | 0.2 | ||
| Q1, Q3 | 0.1, 0.5 | ||
| Range | (0.1 – 1.2) | ||
| Time between prostatectomy and failure (days) | |||
| Mean (SD) | 16.2 (18.6) | ||
| Median | 8.4 | ||
| Q1, Q3 | 5.5, 16.9 | ||
| Range | (3.2 – 57.8) | ||
| Time after prostatectomy follow-up (months) | |||
| Mean (SD) | 81.6 (25.3) | ||
| Median | 74.2 | ||
| Q1, Q3 | 69.2, 103.2 | ||
| Range | (36.1 – 121.7) | ||
Note:
1
After radical prostatectomy,
2
Volume of the 1st cancer/largest,
3
Volume of all smaller cancer/incidental including the index cancer, and
4
Mann-Whitney U Test p-value for two independent samples.