Table 4 Risk factors for bladder recurrence of patients with de novo UTUC

Gender

Male

1 (Ref.)

Female

1.246 (0.423–3.671)

0.690

Age

 ≤ 65y

1 (Ref.)

 > 65y

0.787 (0.269–2.309)

0.663

AA exposure

No

1 (Ref.)

Yes

1.296 (0.483–3.477)

0.606

Tumor staging

 < T2

1 (Ref.)

 ≥ T2

1.299 (0.574–2.939)

0.531

Lymph node staging

N0

1 (Ref.)

N + 

0.047 (0.001–50,788.947)

0.665

Tumor grade

G1/G2

1 (Ref.)

G3

1.092 (0.474–2.519)

0.836

Multifocality

No

1 (Ref.)

Yes

1.138 (0.509–2.543)

0.753

Tumor location

Renal pelvis only

1 (Ref.)

Ureter only

1.447 (0.523–4.004)

0.477

Pelvis and ureter

0.965 (0.372–2.506)

0.942