Table 2.
Operative and pathologic factors associated with prostate size*
| Characteristic | Prostate size (gm) | p-value | ||
|---|---|---|---|---|
| <50 | 50-100 | >100 | ||
| Estimated blood loss (mL, mean) | 155 | 169 | 250 | p=0.01 |
| OR time (minutes) | 232 | 248 | 250 | p<0.01 |
| Neurovascular bundle sparing (%) | p=0.17 | |||
| Bilateral | 64.2 | 61.7 | 54.2 | |
| Unilateral/partial bilateral | 22.9 | 22.9 | 25.0 | |
| None | 12.9 | 15.4 | 20.8 | |
| Bladder neck sparing (%) | p=0.75 | |||
| Yes | 5.4 | 3.7 | 0.0 | |
| No | 94.6 | 96.3 | 100.0 | |
| Surgical margin (%) | p<0.01 | |||
| Negative | 81.0 | 88.9 | 100.0 | |
| Positive - focal | 15.0 | 9.3 | 0 | |
| Positive- extensive | 4.0 | 1.8 | 0 | |
| Pathologic Gleason sum (%) | p<0.01 | |||
| ≤6 | 22.0 | 36.2 | 47.6 | |
| 7 | 74.0 | 58.6 | 38.1 | |
| ≥8 | 4.0 | 5.2 | 14.3 | |
*
Based on final pathologic specimen