Table 2 Demographics, clinicopathologic characteristics, and therapeutic information of the training set and validation set

Age (years)

 Mean (SD)

67.0 (10.2)

67.8 (10.6)

67.3 (10.4)

Sex

 Female

343 (41.0%)

140 (39.0%)

483 (40.4%)

 Male

493 (59.0%)

219 (61.0%)

712 (59.6%)

Race

 White

690 (82.5%)

307 (85.5%)

997 (83.4%)

 Black

41 (4.9%)

9 (2.5%)

50 (4.2%)

 Other

105 (12.6%)

43 (12.0%)

148 (12.4%)

Marital status

 Married

587 (70.2%)

263 (73.3%)

850 (71.1%)

 Divorced/widowed/Separated

169 (20.2%)

67 (18.7%)

236 (19.7%)

 Unmarried/Single

80 (9.6%)

29 (8.1%)

109 (9.1%)

Primary Site

 Renal Pelvis

537 (64.2%)

240 (66.9%)

777 (65.0%)

 Ureter

299 (35.8%)

119 (33.1%)

418 (35.0%)

Grade

 Grade I

16 (1.9%)

3 (0.8%)

19 (1.6%)

 Grade II

48 (5.7%)

25 (7.0%)

73 (6.1%)

 Grade III

266 (31.8%)

114 (31.8%)

380 (31.8%)

 Grade IV

506 (60.5%)

217 (60.4%)

723 (60.5%)

T Stage

 T1

127 (15.2%)

44 (12.3%)

171 (14.3%)

 T2

90 (10.8%)

38 (10.6%)

128 (10.7%)

 T3

466 (55.7%)

201 (56.0%)

667 (55.8%)

 T4

153 (18.3%)

76 (21.2%)

229 (19.2%)

N Stage

 N0

520 (62.2%)

221 (61.6%)

741 (62.0%)

 N1

171 (20.5%)

75 (20.9%)

246 (20.6%)

 N2

145 (17.3%)

63 (17.5%)

208 (17.4%)

M Stage

 M0

690 (82.5%)

288 (80.2%)

978 (81.8%)

 M1

146 (17.5%)

71 (19.8%)

217 (18.2%)

Radiation

 No/Unknown

2 (0.2%)

3 (0.8%)

5 (0.4%)

 Yes

834 (99.8%)

356 (99.2%)

1190(99.6%)

Surgical methods of the primary site

 No

90 (10.8%)

32 (8.9%)

122 (10.2%)

 Local Mass resection/destruction

31 (3.7%)

18 (5.0%)

49 (4.1%)

 Partial nephrectomy/ureterectomy

79 (9.4%)

35 (9.7%)

114 (9.5%)

Radical nephroureterectomy

414 (49.5%)

172 (47.9%)

586 (49.0%)

 Radical nephrectomy

222 (26.6%)

102 (28.4%)

324 (27.1%)

Surgery of Lymph nodes (LNs)

 No

484 (57.9%)

207 (57.7%)

691 (57.8%)

 1 to 3 regional LNs removed

174 (20.8%)

78 (21.7%)

252 (21.1%)

 4 or more regional LNs removed

178 (21.3%)

74 (20.6%)

252 (21.1%)