Table 2.
Descriptive statistic (frequency or median and range) of the independent variables and the statistical differences between the patients with and without RFD after the LPN
| Group without RFD (n = 18) | Group with RFD (n = 30) | p | |
|---|---|---|---|
| Gender, n (%) | > 0.05* | ||
| Female | 6 (33.33%) | 4 (13.33%) | |
| Male | 12 (66.67%) | 26 (86.67%) | |
| Age, years | 58.5 (39–78) | 62.5 (40–78) | > 0.05* |
| Weight, kg | 78.5 (60–100) | 85 (62–117) | 0.0230* |
| Height, cm | 167.5 (150–182) | 173 (156–192) | > 0.05* |
| BMI, kg/m2 | 27.31 (23.36–33.43) | 27.51 (22.50–36.98) | > 0.05* |
| Radiological tumor size, cm | 2.90 (1.30–6.30) | 4.00 (1.50–7.20) | 0.0035* |
| ABC Classification, n (%) | > 0.05** | ||
| Category 1 | 5 (27%) | 6 (20%) | |
| Category 2 | 9 (50%) | 2: 8 (26.67%) | |
| Category 3S | 3 (16.67%) | 13 (43.33%) | |
| Category 3H | 4 (22.23%) | 3 (10%) | |
| RENAL Classification, n (%) | 0.0230** | ||
| Low complexity | 12 (66.67%) | 9 (30%) | |
| Medium complexity | 4 (22%) | 13 (43.33%) | |
| High complexity | 2 (11.11%) | 8 (26.66%) | |
| Surgery duration, minutes | 157.5 (80–240) | 187.5 (110–310) | 0.0297* |
| Warm ischemic time, minutes | 21.0 (0–27.0) | 23.5 (0–31.0) | 0.0287* |
| Bleeding during surgery, ml | 150 (50–400) | 200 (100–450) | > 0.05* |
| Change to open surgery, n (%) | > 0.05** | ||
| No | 13 (72.22%) | 1/ (56.6/%) | |
| Yes | 1 (6.66%) | 6 (20%) | |
| Hand-assisted | 4 (26.66%) | 7 (23.33%) | |
| Tumor histopathology, n (%) | > 0.05** | ||
| Malignant | 16 (88.89%) | 28 (93.33%) | |
| Benign | 2 (11.11%) | 2 (6.67%) | |
| Furhman grade, n (%) | > 0.05** | ||
| Grade 1 | 7 (38.89%) | 9 (30%) | |
| Grade 2 | 5 (27.78%) | 11 (36.67%) | |
| Grade 3 | 4 (22.22%) | 7 (23.33%) | |
| Surgical margin, n (%) | > 0.05** | ||
| + | 4 (22.22%) | 8 (26.66%) | |
| – | 14 (78.88%) | 22 (73.33%) | |
| Post-operative bleeding, n (%) | > 0.05** | ||
| Yes | 5 (27.77%) | 11 (36.67%) | |
| No | 13 (72.23%) | 19 (63.33%) | |
| Fistula, n (%) | > 0.05** | ||
| Yes | 3 (16.66%) | 5 (16.66%) | |
| No | 15 (83.33%) | 25 (83.33%) |
*
Mann-Whitney's U test;
**
Chi-square test.