Table 1.
Summary statistics of the patient population (n=170)
| a) Continuous variables | ||||
|---|---|---|---|---|
| Statistics | Mean | SD | Median | Range |
| Age, years | 73.76 | 6.02 | 64.0 | 46–75 |
| BMI, kg/m | 26.6 | 3.02 | 26.4 | 20–42 |
| PSA, ng/ml | 5.9 | 1.9 | 5.7 | 0.75–9.92 |
| PV, mL | 41.3 | 15.8 | 40.0 | 15–120 |
| P+, prop | 0.28 | 0.15 | 0.28 | 0.05–0.78 |
| V+, % | 15.8 | 12.13 | 15.0 | 2–70 |
| W, gr | 55.8 | 19.3 | 51.0 | 13–130 |
| b) Categorical variables | ||||
|---|---|---|---|---|
| Statistics | n | % | ||
| cT | ||||
| 1c | 150 | 88.2 | ||
| 2a | 20 | 11.8 | ||
| pT | ||||
| 2a | 17 | 10.0 | ||
| 2b | 2 | 1.2 | ||
| 2c | 130 | 76.5 | ||
| 3a | 15 | 8.8 | ||
| 3b | 6 | 3.5 | ||
| pN | ||||
| 0 | 19 | 11.2 | ||
| X | 151 | 88.8 | ||
| pGS | ||||
| 6 | 59 | 34.7 | ||
| 7 | 99 | 58.2 | ||
| 8 | 12 | 7.1 | ||
| pG | ||||
| 1 | 59 | 34.7 | ||
| 2 | 72 | 42.4 | ||
| 3 | 27 | 15.9 | ||
| 4 | 12 | 7.1 | ||
| Surgery | ||||
| RARP | 155 | 91.2 | ||
| RRP | 15 | 8.8 | ||
PV = Prostate volume; P+ = proportion of biopsy positive cores; V+ = percentage of cancer related to volume of the prostate; W = prostate weight; cT = clinical tumor stage; pT = pathological tumor stage; pN = pathological lymph node stage; pGS = pathologic Gleason Score; pG = pathologic grade group; RARP = robot assisted radical prostatectomy; RRP = retropubic radical prostatectomy.