Table 1.
Perioperative characteristics
| Characteristic | High-risk (n=101) | Very high-risk (n=53) | P-value |
|---|---|---|---|
| Age (yr) | 73.2 (71–75) | 73.5 (71–75) | 0.594 |
| Body mass index (kg/m2) | 23.9 (22.2–25.4) | 23.6 (21.7–25.3) | 0.448 |
| Preoperative PSA (ng/mL) | 16.8 (6.3–21.7) | 26.3 (8.1–35.3) | <0.001 |
| Prostate volume (gm) | 38.2 (25.4–47.1) | 38.4 (24.6–43.8) | 0.928 |
| ASA category | 0.501 | ||
| 1 | 45 (60) | 25 (52) | |
| 2 | 30 (40) | 23 (48) | |
| Neoadjuvant hormone therapy | 20 (26) | 18 (36) | 0.139 |
| Nerve sparing | 0.729 | ||
| No | 13 (19) | 6 (17) | |
| Unilateral | 11 (17) | 4 (11) | |
| Bilateral | 43 (64) | 25 (72) | |
| Lymph node dissection | |||
| Standard | 49 (66) | 28 (60) | |
| Extended | 25 (33) | 19 (41) | |
| Operative time (min) | 199.1 (168–219) | 200.1 (170–230) | 0.917 |
| Estimated blood loss (mL) | 284.2 (150–400) | 347.4 (200–500) | 0.181 |
| Complicationsa) | 13 (12) | 9 (15) | 0.239 |
| Grade I | |||
| Lymphedema/lymphocele | 4 (4) | 2 (4) | |
| Grade II | |||
| Transfusion | 1 (1) | 1 (2) | |
| Grade III | |||
| Bladder neck contracture | 0 (0) | 1 (2) | |
| Inguinal hernia | 6 (6) | 4 (8) | |
| Rectal injury | 2 (2) | 1 (2) | |
Values are presented as median (interquartile range) and number (%). PSA, prostate-specific antigen; ASA, American Society of Anesthesiologists.
a)
Complications are categorized by the Clavien-Dindo classification.