Table 3.
Descriptive analysis of continuous variables
| n | Mean | SD | Min | Q1 | Median | Q3 | Max | |
|---|---|---|---|---|---|---|---|---|
| Age | 162 | 66.21 | 8.51 | 39.00 | 60.00 | 67.50 | 72.00 | 86.00 |
| Preliminary PSA | 160 | 11.63 | 17.19 | 1.06 | 4.98 | 7.40 | 11.40 | 28.00 |
| Post treatment PSA | 135 | 0.60 | 1.15 | 0.00 | 0.03 | 0.10 | 0.35 | 8.60 |
| EBRT dose (Gy) | 162 | 56.20 | 71.47 | 30.00 | 48.00 | 60.00 | 61.20 | 67.00 |
| Number of implants | 147 | 20.62 | 6.41 | 10.00 | 15.00 | 19.00 | 24.00 | 48.00 |
| IPSS | 121 | 14.04 | 8.61 | 0.00 | 7.00 | 13.00 | 22.00 | 35.00 |
| Number of cores in biopsy | 125 | 15.67 | 7.19 | 6.00 | 12.00 | 14.00 | 16.00 | 29.00 |
| PSA nadir | 126 | 0.20 | 0.44 | 0.00 | 0.01 | 0.04 | 0.21 | 3.50 |
| Follow-up (months) | 147 | 56.92 | 31.58 | 4.17 | 32.43 | 53.49 | 79.70 | 163.65 |
SD: Standard Deviation; EBRT: External Beam Radiation Therapy.