Table 1 Baseline characteristics of prostate urethral biopsy in patients with bladder cancer.

From: Development and validation of a nomogram for predicting prostatic urethral involvement in bladder cancer

Characteristics

n

Prostatic urethral biopsy

P-value

(+)

(−)

Age (years, \(\:\stackrel{-}{x}\pm\:s\))

 

68.15 ± 11.03

68.44 ± 9.53

0.809

< 65

93

37 (29.1%)

56 (33.3%)

0.521

≥ 65

202

90 (70.9%)

112 (66.7%)

 

Tumor size (cm)

   

0.009

< 3

175

64 (50.4%)

111 (66.1%)

 

≥ 3

120

63 (49.6%)

57 (33.9%)

 

Multiplicity

   

< 0.001

Single

86

17 (13.4%)

69 (41.1%)

 

Multiple

209

110 (86.6%)

99 (58.9%)

 

Tumor location

   

< 0.001

Trigone/neck

153

105 (82.7%)

48 (28.6%)

 

others

142

22 (17.3%)

120 (71.4%)

 

Stage

   

< 0.001

pTa

26

2 ( 1.6%)

24 (14.3%)

 

pT1

199

88 (69.3%)

111 (66.1%)

 

pT2-T4

70

37 (29.1%)

33 (19.6%)

 

Grade

   

< 0.001

Low

44

4 ( 3.1%)

40 (23.8%)

 

High

251

123 (96.9%)

128 (76.2%)

 

Combined CIS

   

0.875

Yes

58

26 (20.5%)

32 (19.0%)

 

No

237

101 (79.5%)

136 (81.0%)

 

recurrent carcinoma

   

< 0.001

Yes

106

67 (52.8%)

39 (23.2%)

 

No

189

60 (47.2%)

129 (76.8%)

 
  1. CIS, carcinoma in situ.