Table 1 Summary of baseline clinical pathological parameters of patients with bladder cancer in the three datasets

Age (years)

 ≤ 65

160

29

44

 > 65

245

64

87

Gender

 Male

299

68

100

 Female

106

25

31

Grade

 Low

22

6

55

 High

382

87

75

T stage

 Ta

1

5

40

 T1

3

10

51

 T2

117

17

38

 T3

193

42

0

 T4

58

19

0

N stage

 N0

235

49

N/A

 N1–3

128

28

N/A

AJCC stage

 I–II

130

29

N/A

 III–IV

273

64

N/A

LVI

 Negative

128

N/A

N/A

 Positive

149

N/A

N/A

Survival status

 Alive

227

28

105

 Deceased

178

65

25

 Mean follow-up time (month)

26.6

47.5

50.4