Table 2 Patient basic characteristics by surgical approach
Radical nephrectomy | Partial nephrectomy | |||||||
|---|---|---|---|---|---|---|---|---|
LRN | ORN | LPN | OPN | |||||
Patient numbers | 614 | 229 | ||||||
88 | 526 | 42 | 187 | |||||
Age (years) | 56.5 ± 13.3 | 57.32 ± 12.4 | 53.2 ± 14.0 | 51.5 ± 13.2 | ||||
Male/female | 55/33 | 341/185 | 19/23 | 119/68a | ||||
Right/left | 49/39 | 263/263 | 21/21 | 89/98 | ||||
Category of cancer | (n) | (%) | (n) | (%) | (n) | (%) | (n) | (%) |
Angioleiomyolipoma | 2 | 2.27 | 28 | 5.32 | 14 | 33.33 | 50 | 26.74 |
Malignant renal cell tumors | ||||||||
Clear cell renal cell carcinoma | 67 | 76.14 | 399 | 75.86 | 21 | 50.00 | 110 | 58.82 |
Papillary renal cell carcinoma | 5 | 5.68 | 19 | 3.61 | 3 | 7.14 | 8 | 4.28 |
Clear cell renal cell carcinoma combined with papillary renal cell carcinoma | 0 | 0.00 | 5 | 0.95 | 1 | 2.38 | 0 | 0.00 |
Chromophobe renal cell carcinoma | 4 | 4.55 | 13 | 2.47 | 0 | 0.00 | 5 | 2.67 |
Renal medulary carcinoma | 1 | 1.14 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 |
Collecting duct carcinoma | 0 | 0.00 | 3 | 0.57 | 0 | 0.00 | 0 | 0.00 |
Xp11 translocation renal cell carcinoma | 1 | 1.14 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 |
Mucinous tubular and spindle cell carcinoma | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Renal cell carcinoma unclassified | ||||||||
Sarcomatoid renal cell carcinoma | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 1 | 0.53 |
Renal cell carcinoma | 5 | 5.68 | 33 | 6.27 | 0 | 0.00 | 6 | 3.21 |
Benign renal cell tumors | ||||||||
Oncocytoma | 2 | 2.27 | 6 | 1.14 | 1 | 2.38 | 2 | 1.07 |
Metanephric tumors | ||||||||
Metanephric adenoma | 0 | 0.00 | 0 | 0.00 | 1 | 2.38 | 0 | 0.00 |
Mixed mesenchymal and epithelial tumors | ||||||||
Cystic nephroma | 0 | 0.00 | 2 | 0.38 | 0 | 0.00 | 1 | 0.53 |
Multilocular cystic nephroma | 0 | 0.00 | 5 | 0.95 | 0 | 0.00 | 4 | 2.14 |
Synovial sarcoma (monophasic) | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Neuroendocrine tumors | ||||||||
Carcinoid tumor | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Primitive neumectodermai tumor | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Mesenchymal tumors | ||||||||
Liposarcoma | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Pleomorphic sarcoma | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Adult rhabdomyosarcoma | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Squamous cell carcinoma | 1 | 1.14 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Non-Hodgkin's lymphoma | 0 | 0.00 | 1 | 0.19 | 1 | 2.38 | 0 | 0.00 |
Other tumors | ||||||||
Solitary fibrous tumor | 0 | 0.00 | 2 | 0.38 | 0 | 0.00 | 0 | 0.00 |
Inflammatory pseudotumor | 0 | 0.00 | 1 | 0.19 | 0 | 0.00 | 0 | 0.00 |
Tumor size (cm) | 4.6 ± 1.9 | 5.3 ± 2.3b | 3.3 ± 2.2 | 3.6 ± 1.4 | ||||
Length of postoperation hospital stay (days) | 7.6 ± 2.4 | 9.2 ± 3.9c | 8.5 ± 3.1 | 9.3 ± 3.8 | ||||
Length of operation time (minutes) | 133.7 ± 101.4 | 120.3 ± 78.8 | 154.1 ± 141.2 | 126.2 ± 91.3d | ||||
Blood loss during operation (ml) | 235.9 ± 411.9 | 232.1 ± 379.5 | 191.1 ± 166.0 | 231.5 ± 222.5 | ||||
Blood transfer during operation (ml) | 67.4 ± 224.6 | 86.4 ± 322.6 | 19.0 ± 86.2 | 36.4 ± 115.3 | ||||