Research Article
Do We Need to Clamp the Renal Hilum Liberally during the Initial Phase of the Learning Curve of Robot-Assisted Nephron-Sparing Surgery?
Table 1
Differences between group 1 and group 2 in terms of patient characteristics, tumor characteristics, perioperative results, and functional results.
| | | Group 1 () | Group 2 () | 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, (%) | 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, (%) | 0 (0) | 0 (0) | — | | Clavien grade ≥ 2 complications, (%) | 4 (28.5) | 4 (13.3) | 0.2 | | Conversions to open, (%) | 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 |
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SD: standard deviation.
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