|
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
|
