Table 4

Univariate Cox regression analysis of risk factors in predicting cancer-specific survival in patients with muscle-invasive bladder cancer treated by TUR of tumor and combination chemotherapy that are chemosensitive (n = 33) and those that are chemoresistant (n = 38)

Univariate model
Chemoresistant tumorsChemosensitive tumors
FactorVariablesPCrude RRa (95% CI)PCrude RR (95% CI)
TP53 IR (PAb1801)Absolute values(0.2072)b1.0(0.2636)b1.0
0.99 (0.98–1.01)1.01 (0.99–1.03)
Tumor size<5 cm(0.3370)b1.0(0.5594)b1.0
≥5 cm1.51 (0.65–3.51)1.51 (0.38–6.07)
Tumor stageT2/T30.03581.0(0.6590)b1.0
T42.29 (1.06–4.980.73 (0.18–2.93)
TP53 IR (PAb1801)≥20%0.01911.0(0.6696)b1.0
<20%3.23 (1.21–8.62)0.74 (0.18–2.96)
  • a RR, relative risk; CI, confidenceinterval.

  • b not significant.