Characteristic | Number of Patients (%) | P value | |
---|---|---|---|
Training Set (n = 125) | Validation Set (n = 54) | ||
Sex | |||
 Men | 106 (84.8) | 41 (75.9) | 0.155b |
 Women | 19 (15.2) | 13 (24.1) |  |
Age (years) | |||
  < 65 | 42 (33.6) | 24 (44.4) | 0.681b |
  ≥ 65 | 83 (66.4) | 30 (55.6) |  |
Hydronephrosisa | |||
 Yes | 20 (16.0) | 12 (22.2) | 0.319b |
 No | 105 (84.0) | 42 (77.8) |  |
Tumor sizea (cm) | |||
  < 3 | 82 (65.6) | 35 (64.8) | 0.919b |
  ≥ 3 | 43 (34.4) | 19 (35.2) |  |
Number of tumorsa | |||
 Single | 88 (70.4) | 36 (66.7) | 0.619b |
 Multiple | 37 (29.6) | 18 (33.3) |  |
VI-RADS scorea | |||
 1 | 15 (12.0) | 7 (13.0) | 0.824c |
 2 | 35 (28.0) | 12 (22.2) |  |
 3 | 35 (28.0) | 17 (31.5) |  |
 4 | 16 (12.8) | 9 (16.7) |  |
 5 | 24 (19.2) | 9 (16.7) |  |
Clinical T stagea | |||
  < T2 | 85 (68.0) | 35 (64.8) | 0.677b |
  ≥ T2 | 40 (32.0) | 19 (35.2) |  |