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Table 1 Baseline characteristic of the patients with urothelial cancer of the bladder

From: Incidence trends and survival prediction of urothelial cancer of the bladder: a population-based study

Factors Training cohort (n = 8058) % Validation cohort (n = 3454) % Total (n = 11512) % P
Age1 70.20 ± 11.61 70.68 ± 11.92 70.35 ± 11.71 0.04
Sex        0.07
 Male 6322 78.46 2658 76.95 8980 78.01  
 Female 1736 21.54 796 23.05 2532 21.99  
Grade        0.99
 Well 309 3.83 134 3.88 443 3.85  
 Moderately 1059 13.14 455 13.17 1514 13.15  
 Poorly 1735 21.53 738 21.37 2473 21.48  
 Undifferentiated 4955 61.49 2127 61.58 7082 61.52  
Ethnic group        0.97
 White 7171 88.99 3069 88.85 10240 88.95  
 Black 458 5.68 198 5.73 656 5.70  
 Other 429 5.32 187 5.41 616 5.35  
Marital status        0.06
 Married 5098 63.27 2111 61.12 7209 62.62  
 Single 1025 12.72 446 12.91 1471 12.78  
 SDW 1935 24.01 897 25.97 2832 24.60  
Insurance        0.41
 Yes 7789 96.66 3349 96.96 11138 96.75  
 No 269 3.34 105 3.04 374 3.25  
Location        0.19
 Urachus/dome 303 3.76 140 4.05 443 3.85  
 Trigone, neck, ureteric orifice 951 11.80 365 10.57 1316 11.43  
 Wall 2920 36.24 1294 37.46 4214 36.61  
 NOS/overlap 3884 48.20 1655 47.92 5539 48.12  
Stage        0.82
 Localized 6782 84.16 2906 84.13 9688 84.16  
 Regional 953 11.83 417 12.07 1370 11.90  
 Distant 323 4.01 131 3.79 454 3.94  
AJCC        0.41
 I 5214 64.71 2247 65.06 7461 64.81  
 II 1627 20.19 685 19.83 2312 20.08  
 III 499 6.19 236 6.83 735 6.38  
 IV 718 8.91 286 8.28 1004 8.72  
Size        0.26
 1-20 mm 1647 20.44 746 21.60 2393 20.79  
 21-49 mm 3650 45.30 1516 43.89 5166 44.87  
 ≥ 50 mm 2761 34.26 1192 34.51 3953 34.34  
Regional lymph nodes removed        0.22
 Yes 1574 19.53 641 18.56 2215 19.24  
 No 6484 80.47 2813 81.44 9297 80.76  
Chemotherapy        0.45
 Yes 2652 32.91 1162 33.64 3814 33.13  
 No 5406 67.09 2292 66.36 7698 66.87  
Radiation        0.42
 Yes 493 6.12 225 6.51 718 6.24  
 No 7565 93.88 3229 93.49 10794 93.76  
  1. SDW separated or divorced or widowed, AJCC American Joint Committee on Cancer
  2. 1The age was showed as mean ± standard deviation