Table 1.
Differences between group 1 and group 2 in terms of patient characteristics, tumor characteristics, perioperative results, and functional results.
| Group 1 (n = 14) | Group 2 (n = 30) | P value | |
|---|---|---|---|
| Patient characteristics | |||
| Mean age, years (SD) | 46.2 (15.05) | 51.1 (12.5) | 0.26 |
| Mean ASA score (SD) | 1.2 (0.4) | 1.4 (0.5) | 0.26 |
| Male, n (%) | 11 (78.5) | 22 (73.3) | 1 |
| Tumor characteristics | |||
| Mean size, cm (SD) | 3.6 (1.4) | 3.8 (3.1) | 0.88 |
| Mean R.E.N.A.L. score (SD) | 6.6 (1.9) | 5.9 (1.8) | 0.25 |
| Right-sided tumors (%) | 3/14 (21.4) | 15/30 (50) | 0.1 |
| Perioperative results | |||
| Mean operative time, min (SD) | 149.2 (41.04) | 142.3 (54.8) | 0.67 |
| Mean WIT, minutes (SD) | 22.5 (6.2) | 0 | — |
| Mean EBL, mL (SD) | 170.3 (80.5) | 201.6 (179.3) | 0.53 |
| Mean length of stay, days (SD) | 4.2 (1.6) | 3.8 (1.1) | 0.32 |
| Intraoperative complications, n (%) | 0 (0) | 0 (0) | — |
| Clavien grade ≥ 2 complications, n (%) | 4 (28.5) | 4 (13.3) | 0.2 |
| Conversions to open, n (%) | 1 (7.1) | 4 (13.3) | 1 |
| Functional results | |||
| Mean preoperative eGFR, mL/min/1.73 m2 (SD) | 92.4 (18.5) | 90.6 (16.4) | 0.74 |
| Mean eGFR at last control, mL/min/1.73 m2 (SD) | 88.2 (21.7) | 80.6 (16.4) | 0.2 |
| Mean change in eGFR, mL/min/1.73 m2 (SD) | 6.7 (6.8) | 10.8 (8.9) | 0.13 |
SD: standard deviation.