|
Age (years)
|
57.48 ± 12.10
|
57.12 ± 11.94
|
59.07 ± 12.73
|
1.268
|
0.205
|
|
Gender, n (%)
| | | | | |
|
Male
|
240 (59.1%)
|
189 (57.3%)
|
51 (67.1%)
|
2.471
|
0.116
|
|
Female
|
166 (40.9%)
|
141 (42.7%)
|
25 (32.9%)
| |
|
BMI (kg/m2)
|
24.30 ± 4.07
|
24.45 ± 4.04
|
23.69 ± 4.17
|
1.469
|
0.143
|
|
Smoking history, n (%)
|
135 (33.3%)
|
105 (31.8%)
|
30 (39.5%)
|
1.631
|
0.202
|
|
Hypertension, n (%)
|
147 (36.2%)
|
125 (37.9%)
|
22 (28.9%)
|
2.133
|
0.144
|
|
Diabetes, n (%)
|
62 (15.3%)
|
49 (14.8%)
|
13 (17.1%)
|
0.243
|
0.622
|
|
Tumor size (cm)
|
4.51 ± 2.29
|
4.21 ± 2.02
|
5.82 ± 2.85
|
4.674
|
< 0.001
|
|
Tumor bearing, n (%)
| | | | | |
|
Left
|
214 (52.7%)
|
178 (53.9%)
|
36 (47.4%)
|
1.070
|
0.301
|
|
Right
|
192 (47.3%)
|
152 (46.1%)
|
40 (52.6%)
| |
|
Operative method, n (%)
| | | | | |
|
Partial
|
213 (52.3%):
|
192 (58.2%):
|
20 (26.3%):
|
25.140
|
< 0.001
|
|
Radical
|
194 (47.7%)
|
138 (41.8%)
|
56 (73.7%)
| |
|
Hematuria, n (%)
|
49 (12.1%)
|
34 (10.3%)
|
15 (19.7%)
|
5.180
|
0.023
|
|
Flank pain, n (%)
|
63 (15.5%)
|
48 (14.5%)
|
15 (19.7%)
|
1.270
|
0.260
|
|
Distant Metastasis, n (%)
|
2 (0.5%)
|
0 (0.0%)
|
2 (2.6%)
|
–
|
0.035
|
|
Intratumoral necrosis, n (%)
|
192 (47.3%)
|
135 (40.9%)
|
57 (75.0%)
|
28.802
|
< 0.001
|
|
Cystic Degeneration, n (%)
|
39 (9.6%)
|
34 (10.3%)
|
5 (6.6%)
|
1.001
|
0.317
|
|
Calcification, n (%)
|
24 (5.9%)
|
12 (3.6%)
|
12 (15.8%)
|
14.292
|
< 0.001
|
|
Violation of the Renal Capsule, n (%)
|
64 (15.8%)
|
35 (10.6%)
|
29 (38.2%)
|
35.314
|
< 0.001
|
|
Angiogenesis, n (%)
|
250 (61.6%)
|
184 (55.8%)
|
66 (86.8%)
|
25.228
|
< 0.001
|
|
Venous invasion, n (%)
|
9 (2.2%)
|
2 (0.6%)
|
7 (9.2%)
|
17.316
|
< 0.001
|
|
Perinephric metastasis, n (%)
|
42 (10.3%)
|
18 (5.5%)
|
24 (31.6%)
|
45.456
|
< 0.001
|
