Table 1.
Clinicopathologic characteristics of patients
| Variables | Overall (n=88) | Recurrence (n=39) | No recurrence (n=49) |
|---|---|---|---|
|
| |||
| Median age, years | 64±12.3 | 64±11.59 | 66±13 |
|
| |||
| Sex | |||
| Male | 59 (67%) | 29 (74.4%) | 30 (61.2%) |
| Female | 29 (33%) | 10 (25.6%) | 19 (38.8%) |
|
| |||
| Surgical approach | |||
| Open radical nephrectomy | 20 (22.7%) | 10 (25.6%) | 10 (20.4%) |
| Laparoscopic radical nephrectomy | 62 (70.5%) | 28 (71.8%) | 34 (69.4%) |
| Open partial nephrectomy | 2 (2.3%) | 0 | 2 (4.1%) |
| Laparoscopic partial nephrectomy | 4 (4.5%) | 1 (2.6%) | 3 (6.1%) |
|
| |||
| Pathological subtype | |||
| Clear-cell RCC | 74 (84.1%) | 34 (87.2%) | 40 (81.6%) |
| Chromophobe RCC | 4 (4.5%) | 0 | 4 (8.2%) |
| Papillary RCC (type 2) | 3 (3.4%) | 2 (5.1%) | 1 (2%) |
| Other (e.g., sarcomatoid, RCC unclassified, papillary RCC type not specified) | 7 (8%) | 3 (7.7%) | 4 (8.2%) |
|
| |||
| pT classification | |||
| T3a | 66 (75%) | 26 (66.7%) | 40 (81.6%) |
| T3b | 8 (9.1%) | 6 (15.4%) | 2 (4.1%) |
| T3c | 1 (1.1%) | 0 | 1 (2%) |
| T3 undefined | 13 (14.8%) | 7 (17.9%) | 6 (12.2%) |
|
| |||
| Fuhrman nuclear grade | |||
| 1 | 4 (4.5%) | 1 (2.6%) | 3 (6.1%) |
| 2 | 45 (51.1%) | 18 (46.2%) | 27 (55.1%) |
| 3 | 27 (30.7%) | 13 (33.3%) | 14 (28.6%) |
| 4 | 7 (8%) | 7 (17.9%) | 0 |
| Not classified | 5 (5.7%) | 0 | 5 (10.2%) |
|
| |||
| Surgical margin | |||
| Positive | 7 (8%) | 6 (15.4%) | 1 (2%) |
| Negative | 81 (92%) | 33 (84.6%) | 48 (98%) |
| Median largest tumor size (IQR) | 7.1 (5, 9.5) | 8 (6, 10) | 7 (4, 9.5) |
|
| |||
| Mean number of lymph nodes resected | 2.3±4.2 | 3.1±5.1 | 1.7±3.7 |
IQR: interquartile range; RCC: renal cell carcinoma.