Table 1.

Characteristics of BC patients included in this study.

Variable		Overall set (n = 395)	Training set (n = 197)	Testing set (n = 198)
Age (mean ± SD, years)		67.82 ± 10.52	67.11 ± 10.36	68.53 ± 10.63
Gender (n)	Male	291	149	142
	Female	104	48	56
Stage (n)	Stages I-II	126	71	55
	Stages III-IV	267	126	141
	UA	2	0	2
T stage (n)	T0	1	0	1
	T1-2	116	62	54
	T3-4	246	119	127
	UA	32	16	16
N stage (n)	N0	228	116	112
	N1-3	126	56	70
	UA	41	25	16
M stage (n)	M0	189	105	84
	M1	10	4	6
	UA	196	88	108
Survival time (mean ± SD, years)		2.14 ± 2.23	2.12 ± 2.23	2.15 ± 2.23
Risk scores (mean ± SD)		1.61 ± 1.63	1.65 ± 1.86	1.56 ± 1.35

BC, bladder cancer; SD, standard deviation.