Table 2. Perioperative outcomes.
| Variables | Median (interquartile range) or counts (%) | P | |
|---|---|---|---|
| OPN (N = 64) | RPN (N = 85) | ||
| Operation time, min | 145 (105–180) | 150 (110–190) | 0.709 |
| Estimated blood loss, ml | 200 (100–300) | 200 (100–300) | 0.888 |
| Warm ischemic time, min | 21 (18–30) | 24 (19–34) | 0.147 |
| Transfusion | |||
| Intraoperative | 3 (4.8%) | 3 (3.5%) | 0.700 |
| Postoperative | 4 (6.3%) | 5 (5.9%) | 1.000 |
| Intraoperative complications | 4 (6.3%) | 8 (9.4%) | 0.556 |
| Postoperative complications | |||
| Overall (Clavien 1–5), n (%) | 15 (23.4%) | 16 (18.8%) | 0.544 |
| Major (Clavien 3–5), n (%) | 9 (14.1%) | 8 (9.4%) | 0.440 |
| Length of hospital stay, day | 7 (5–9) | 5 (5–7) | <0.001 |
| VAS score for pain in postoperative 1 day | 4 (4–5) | 4.5 (4–5) | 0.439 |
OPN, open partial nephrectomy; RPN, robotic partial nephrectomy; VAS, visual analogue scale