Table 2 Univariable Cox regression analysis of recurrence

Age

1.035 (1.026–1.043)

< 0.001

1.028 (1.017–1.039)

< 0.001

Gender

0.696 (0.496–0.977)

0.036

0.665 (0.416–1.065)

0.089

Hypertension

1.211 (0.963–1.524)

0.101

1.067 (0.773–1.473)

0.692

Diabetes mellitus

1.148 (0.771–1.710)

0.496

0.933 (0.521–1.669)

0.814

Number of tumour

2.243 (1.836–2.741)

< 0.001

2.547 (1.954–3.318)

< 0.001

TNM stage

1.950 (1.577–2.410)

< 0.001

1.515 (1.136–2.021)

0.005

Grade

1.690 (1.464–1.952)

< 0.001

1.451 (1.205–1.747)

< 0.001

Tumour size

1.193 (0.970–1.468)

0.095

1.029 (0.784–1.352)

0.836

Risk group

0.583 (0.513–0.663)

< 0.001

0.679 (0.576–0.802)

< 0.001

Intravesical chemotherapy

0.741 (0.600–0.915)

0.005

0.727 (0.552–0.959)

0.024

Anaesthesia techniques

1.093 (0.876–1.363)

0.431

1.064 (0.813–1.393)

0.650