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Table 1 Descriptive parameters of all patients included in the study

From: Computed tomography urography with corticomedullary phase can exclude urinary bladder cancer with high accuracy

Variable name   All Control group Cancer group
No.patients   297 90 207
Sex Male 207 (70) 56 (62) 151 (73)
Age Mean (SD) 72 (11) 68 (12) 74 (9)
CTU Four phases 290 (98) 88 (98) 202 (98)
Filling volume Good/very good 285 (96) 88 (98) 197 (95)
Indwelling catheter   26 [9] 8 [9] 18 [9]
Bladder stones   13 [4] 8 [9] 5 [2]
Thick bladder wall   38 [13] 8 [9] 30 [14]
Other image distortions   69 (23) 12 [13] 57 (28)
General quality of CTU Good/very good 283 (95) 88 (98) 195 (94)
Solitary tumor*    133 (66)
Size of tumor** 0–10 mm   23 [11]
  11–30 mm   99 (48)
   > 30 mm   52 (25)
Local tumor stage*** cTaG1   22 [11]
  cTaG2   83 (40)
  cTaG3   10 [5]
  cT1G1   1 (0.5)
  cT1G2   20 (9.5)
  cT1G3   31 [15]
  cT2   40 [19]
Concomitant Cis**** cTaG3 + Cis   4 (33)
  cT1 + Cis   5 (42)
  cT2 + Cis   3 (25)
Lymph node metastasis    5 [2]
Distant metastasis    2 [1]
  1. Figures represent number of patients (% of numbers of the column) if not otherwise indicated
  2. Cis: Carcinoma in situ; CTU: Computed tomography-urography; SD: Standard deviation
  3. *According to TURBT reports
  4. **Missing cases 33
  5. ***Corrected after second look resection if appropriate
  6. ****There was no primary cTis