Table 2.
Postoperative Characteristics
| Factor | Off-clamp | On-clamp | p value |
|---|---|---|---|
| Subtypes | |||
| Clear cell | 11 | 10 | 0.421 |
| Papillary | 4 | 4 | |
| Chromophobe | 1 | 1 | |
| Oncocytoma | 0 | 1 | |
| Grade | |||
| 1 | 3 | 2 | 0.431 |
| 2 | 10 | 10 | |
| 3 | 3 | 4 | |
| Resection time(min, mean ± SD) | 6.81 ± 1.10 | 6.21 ± 1.20 | 0.026 |
| Renorrhaphy time (min, mean ± SD) | 17.12± 3.27 | 15.17± 4.27 | 0.17 |
| Estimated blood loss (ml, mean ± SD) | 150.15± 60.25 | 75.25± 40.11 | 0.001 |
| Drainage (ml, mean ± SD) | 210.12± 80.25 | 160.17± 70.75 | 0.052 |
| Operation time (min, mean ± SD) | 78.72± 15.78 | 89.42± 14.58 | 0.162 |
| Postoperative bedtime (day, mean ± SD) | 4.21± 2.21 | 4.17± 1.71 | 0.896 |
| estimated glomerular filtration rate pre-operation (ml/min/1.73 m2 , mean ± SD) | 88.12± 17.21 | 87.92± 19.71 | 0.611 |
| Estimated glomerular filtration rate post-operation (ml/min/1.73 m2 , mean ± SD) | 86.72± 15.31 | 82.77± 17.21 | 0.932 |
| Estimated glomerular filtration rate change (ml/min/1.73 m2 , mean ± SD) – | -1.40±1.90 | -5.15±2.50 | <0.001 |
| Hematuria | 0 | 0 | 1 |
| Postoperative hemorrhage | 0 | 0 | 1 |
| Blood transfusion | 0 | 0 | 1 |
| Urinary leakage | 0 | 0 | 1 |
| Clavien-Dindo classification of surgical complications | |||
| Grades 1–2 | 16 | 16 | 1 |
| Grades 3–5 | 0 | 0 |