Table 2.
Perioperative outcomes for LPN and RPN after propensity score matching
| LPN (n = 58) | RPN (n = 58) | P value | |
|---|---|---|---|
| Surgical approach (retroperitoneal), n (%) | 34 (58.6) | 38 (65.5) | .444 |
| Operating time, min, mean (SD) | 219.1 (33.0) | 198.8 (65.9) | .040 |
| Estimated blood loss, mL, median (IQR) | 200 (100‐300) | 160 (100‐212.5) | .405 |
| Warm ischemia time, min, mean (SD) | 24.2 (4.5) | 22.4 (3.6) | .023 |
| Transfusion, n (%) | 11 (19.0) | 5 (8.6) | .106 |
| Conversion, n (%) | 5 (8.6) | 2 (3.4) | .242 |
| To open surgery | 2 (3.4) | 0 | .496 |
| To radical surgery | 4 (6.9) | 2 (3.4) | .402 |
| Postoperative hospital stay, days, median (IQR) | 9 (7‐10.5) | 7.5 (6‐9) | .023 |
| Postoperative complications, n (%) | 17 (29.3) | 12 (20.7) | .284 |
| Low grade (Clavien‐Dindo I–II), n (%) | 13 (22.4) | 9 (15.5) | .343 |
| High grade (Clavien‐Dindo III–IV), n (%) | 4 (6.9) | 3 (5.2) | .697 |
| Pathologic stage | .701 | ||
| pT1b, n (%) | 39 (67.2) | 44 (75.9) | |
| pT2, n (%) | 2 (3.4) | 1 (1.7) | |
| pT3a, n (%) | 5 (8.6) | 4 (6.9) | |
| Fuhrman grade | .741 | ||
| Low (≤2), n (%) | 31 (53.4) | 34 (58.6) | |
| High (≥3), n (%) | 7 (12.1) | 5 (8.6) | |
| Not specified, n (%) | 8 (13.8) | 10 (17.2) | |
| Histologic subtype | .469 | ||
| Benign, n (%) | 12 (20.7) | 9 (15.5) | |
| Malignant, n (%) | 46 (79.3) | 49 (84.5) | |
| Positive surgical margin, n (%) | 1 (1.7) | 2 (3.4) | 1.000 |
| eGFR within postoperative 1 wk, mL/min, mean (SD) | 73.2 (18.0) | 73.9 (15.4) | .805 |
| eGFR decrease in baseline, mL/min, mean (SD) | −15.4 (3.4) | −14.8 (3.5) | .358 |
| Last follow‐up eGFR, mL/min, mean (SD) | 77.2 (21.1) | 80.8 (14.9) | .293 |
| eGFR decrease in baseline, mL/min, mean (SD) | −11.3 (13.0) | −7.9 (6.3) | .077 |
| De novo CKD at last follow‐up, n (%) | 11 (19.0) | 4 (6.9) | .053 |
Bold indicates statistical significance value (P < 0.05)
Abbreviations: CKD: chronic kidney disease; IQR: inter‐quartile range; SD: standard deviation.