Table 3. Patients characteristics in the validation cohort.

	ControlN=24	UC patientsN=36	p-value
Age (years) [median (range)]	70 (34-81)	70.5 (47-91)	<0.0001
Gender n, (%)
Male	17 (70.8)	29 (80.6)	0.386
Female	7 (29.2)	7 (19.4)
Urine cytology n, (%)
Negative	24 (100)	20 (55.6)	<0.0001
Positive	0 (0)	16 (44.4)
Creatinine concentration of original urine (mg/dl) [median (range)]	64.6(10.8-199.1)	76.6(17.6-261.8)	0.446
UC pathological stage n, (%)
Ta	—	18 (50.0)
T1	—	9 (25.0)
≧T2	—	9 (25.0)
UC pathological grade n, (%)
Low grade	—	9 (25.0)
High grade	—	27 (75.0)
UC, urothelial carcinoma.