Table 1.
Partial nephrectomy versus radical nephrectomy: clinical, surgical, and pathologic parameters
| Parameter | PN | RN | p-value |
|---|---|---|---|
| No. of patients | 100 | 100 | |
| No. of women | 29 | 29 | > 0.99 |
| Age at operation (yr) | 55.3 (26 to 80) | 55.7 (31 to 81) | 0.80 |
| BMI (kg/m2) | 24.3 (19.5 to 38.1) | 24.8 (17.3 to 36.6) | 0.68 |
| ECOG 3+4 (%) | 5 | 3 | 0.13 |
| Patients with diabetes | 9 | 17 | 0.09 |
| Patients with hypertension | 34 | 39 | 0.46 |
| Preoperative creatinine (mg/dL) | 1.0 (0.4 to 2.0) | 1.0 (0.6 to 1.6) | 0.28 |
| Preoperative eGFR (mL/min/1.73 m2) | 80.5 (27.8 to 193.5) | 88.8 (7.4 to 186.6) | 0.41 |
| Preoperative eGFR (mL/min/1.73 m2): ≥ 90/89-60/59-30/29-15/< 15 | 31/47/21/1/0 | 29/47/23/0/1 | 0.70 |
| Operative time | 182.2 (60 to 450) | 190.0 (75 to 393) | 0.39 |
| EBL | 290.0 (20 to 1,800) | 306.4 (10 to 1,200) | 0.63 |
| Change in Hb preoperative to nadir | 1.3 (-3.2 to 6.1) | 1.8 (-3.8 to 7.9) | 0.16 |
| Received transfusions | 14 | 14 | > 0.99 |
| Intraoperative complications | 7 | 5 | 0.42 |
| Postoperative complications | 8 | 6 | 0.09 |
| PSM (%) | 3 | NA | |
| Pathologic tumor size (cm) | 4.9 (4.0 to 6.7) | 4.9 (4.0 to 6.9) | 0.98 |
| Pathology | |||
| Clear-cell | 78 | 77 | 0.30 |
| Papillary | 8 | 11 | |
| Chromophobe | 7 | 7 | |
| Mixed or other | 7 | 5 |
Values are presented as mean (range) or number (%). PN, partial nephrectomy; RN, radical nephrectomy; BMI, body mass index; ECOG, Eastern Cooperative Oncology Group; eGFR, estimated glomerular filtration rate; EBL, estimated blood loss; Hb, hemoglobin; PSM, positive surgical margin; NA, not applicable.