TABLE 1.

Clinical features of BLCA patients in the training and validating sets.

Features	Training set (n = 265)	Validating set (n = 133)	Pearson χ2	P
Age (years), n (%)
≤70	138 (52.1)	72 (54.1)
>70	127 (47.9)	61 (45.9)	0.151	0.698
Gender, n (%)
Male	189 (71.3)	100 (75.2)
Female	76 (28.7)	33 (24.8)	0.666	0.414
Pathological stage, n (%)
I + II	85 (32.1)	41 (30.8)
III + IV	180 (67.9)	92 (69.2)	0.064	0.801
Histologic grade, n (%)
Low	13 (4.9)	7 (5.3)
High	252 (95.1)	126 (94.7)	0.024	0.878
Diagnosis subtype, n (%)
Non-papillary	175 (66.0)	96 (72.2)
Papillary	90 (34.0)	37 (27.8)	1.538	0.215

BLCA, Bladder cancer. Bold values are significant to p < 0.05.