Table 1 The clinical information of bladder cancer tumor samples in the training set and validation set

Age (years, mean ± SD)

68.46 ± 27.57

67.69 ± 9.86

Gender (male/female)

154/50

148/57

Pathologic M (M0/M1/–)

99/7/98

96/4/105

Pathologic N (N0/N1/N2/N3/–)

122/23/36/2/21

115/23/40/6/21

Pathologic T (T1/T2/T3/T4/–)

3/65/95/27/14

1/55/99/31/19

Pathologic stage (I/II/III/IV/–)

2/71/65/65/1

0/60/74/70

Pathologic grade (high/low/–)

194/9/1

191/12/2

Radiotherapy (yes/no/–)

6/186/12

14/177/14

Lymphovascular invasion (yes/no/–)

65/73/66

85/59/61

Recurrence (yes/no)

44/126/34

43/124/38

Dead (death/alive/–)

92/110/2

86/117/2

Overall survival time (months, mean ± SD)

26.76 ± 27.57

27.45 ± 28.19