Table 1 Clinical and pathologic characteristics of the two groups
Variables | RNU | PU | t/χ2 | P |
|---|---|---|---|---|
Age | 66.74 ± 8.41 | 67.62 ± 10.09 | −0.709 | 0.479 |
Sex | ||||
Male | 90 (49.5%) | 30 (41.4%) | 1.460 | 0.227 |
Female | 92 (50.5%) | 43 (58.9%) | ||
Smoking | ||||
No | 47 (61.8%) | 27 (84.4%) | 5.300 | 0.021 |
Yes | 29 (38.2%) | 5 (15.6%) | ||
Tumor side | ||||
Left | 98 (54.1%) | 29 (39.7%) | 4.325 | 0.038 |
Right | 83 (45.9%) | 44 (60.3%) | ||
Hydronephrosis | ||||
No | 18 (10.3%) | 11 (16.4%) | 1.727 | 0.189 |
Yes | 157 (89.7%) | 56 (83.6%) | ||
Hematuria | ||||
No | 59 (33.7%) | 30 (44.1%) | 2.283 | 0.131 |
Yes | 116 (66.3%) | 38 (55.9%) | ||
Renal function | ||||
Normal | 48 (43.6%) | 20 (47.6%) | 0.195 | 0.659 |
Abnormal | 63 (56.4%) | 22 (52.4%) | ||
Operation time | 157.50 (116.25–180.00) | 95.00 (76.25–126.25) | −4.476 | < 0.001 |
pT stage | 8.287 | 0.067 | ||
pTa | 9 (5.2%) | 2 (3.0%) | ||
pT 1 | 73 (42.0%) | 33 (49.3%) | ||
pT 2 | 48 (27.6%) | 25 (37.3%) | ||
pT 3 | 41 (23.6%) | 6 (9.0%) | ||
pT 4 | 3 (1.7%) | 1 (1.5%) | ||
Lymphovascular invasion | 4 (2.2%) | 0 (0%) | 1.630 | 0.202 |