Table 2. Uni- and multivariate Cox regression analyses for prognosis.
| Univariate | Factor | P value | HR | 95%CI |
|---|---|---|---|---|
| Recurrence-free survival (Intravesical relapse: Ta-1) | NAC | 0.233 | 0.71 | 0.41-1.24 |
| Recurrence-free survival (visceral) | NAC | 0.381 | 0.81 | 0.50-1.30 |
| Cancer-specific survival | NAC | 0.021 | 0.48 | 0.26-0.90 |
| Overall survival | NAC | 0.157 | 0.69 | 0.41-1.15 |
| Multivariate (IPTW analysis*) | Factor | P value | HR | 95%CI |
| Recurrence-free survival (Intravesical relapse: Ta-1) | NAC | 0.023 | 0.52 | 0.30-0.91 |
| Recurrence-free survival (visceral) | NAC | 0.021 | 0.57 | 0.36-0.92 |
| Cancer-specific survival | NAC | 0.016 | 0.48 | 0.26-0.87 |
| Overall survival | NAC | 0.081 | 0.62 | 0.37-1.06 |
*Inverse probability of treatment weighting analysis. Variables included in the IPTW model were age, sex, eGFR, cT, cN. CI: confidence interval.