Table 1.

The patients' characteristics.

	Chemotherapy (n=36)	No chemotherapy (n=29)	Total (n=65)	p-value
Age (year)				0.273
< 60	22	12	34
≥ 60	14	17	31
Gender				0.820
male	19	21	40
female	17	8	25
Tumor location				0.914
renal pelvis	26	20	46
ureter	10	9	19
Pathological tumor stage				0.125
pT1-2N1-3	2	0	2
pT3N0-3	30	27	57
pT4N0-3	4	2	6
Nuclear grade (WHO)				0.388
grade 1/2	4	6	10
grade 3	32	23	55
Lymphovascular invasion				0.266
(-)	22	16	38
(+)	24	13	27
Lymph node				0.458
(-)	28	26	54
(+)	8	3	11
Urine cytology				0.553
(-)	16	12	28
(+)	20	17	37
Bladder recurrence				0.001
(-)	31	17	48
(+)	5	12	17
Distant metastasis during follow-up				0.590
(-)	28	23	51
(+)	8	6	14