Table 1 Clinical characteristics of the study population

Sex

 Female

247 (51.1%)

 Male

236 (48.9%)

Age

  < 65

150 (31.1%)

  ≥ 65

333 (68.9%)

BMI

  < 25

287 (59.4%)

  ≥ 25

196 (40.6%)

Side

 Left

273 (56.5%)

 Right

210 (43.5%)

Site

 Both

31 (6.42%)

 Pelvis

206 (42.7%)

 Ureter

246 (50.9%)

Approach

 Laparoscopic

282 (58.4%)

 Open

201 (41.6%)

Ureteroscopy

 No

389 (80.5%)

 Yes

94 (19.5%)

Hematuresis

 No

128 (26.5%)

 Yes

355 (73.5%)

Urine pathology

 No

132 (27.3%)

 Yes

351 (72.7%)

Hydronephrosis

 No

110 (22.8%)

 Yes

373 (77.2%)

Multifocality

 No

418 (86.5%)

 Yes

65 (13.5%)

Size

  < 5

416 (86.1%)

  ≥ 5

67 (13.9%)

LVI

 No

413 (85.5%)

 Yes

70 (14.5%)

Tis

 No

460 (95.2%)

 Yes

23 (4.76%)

T stage

 T1

128 (26.5%)

 T2

143 (29.6%)

 T3

190 (39.3%)

 T4

22 (4.55%)

Margin

 Negative

470 (97.3%)

 Positive

13 (2.69%)

pN + 

 N0&Nx

450 (93.2%)

 N + 

33 (6.83%)

Grade

 High

389 (80.5%)

 Low

94 (19.5%)