Skip to main content

Table 1 Clinicopathological characteristics of patients

From: Magnetic resonance imaging-based radiomics signature for preoperative prediction of Ki67 expression in bladder cancer

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)

 
  1. VI-RADS, Vesical Imaging-Reporting and Data System.
  2. a MRI-determined information
  3. b Statistical analysis performed using chi-square test.
  4. c Statistical analysis performed using Mann-Whitney U test.