Table 2.
Multivariable Cox proportional hazards regression models testing the association between variant histology on pathology and recurrence-free survival, cancer-specific survival, and overall survival
| Recurrence-free survival | Cancer-specific survival | Overall survival | |||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Characteristic | HR | 95% CI | p-value | HR | 95% CI | p-value | HR | 95% CI | p-value |
|
| |||||||||
| Pathologic variant histology | 0.88 | 0.59, 1.30 | 0.5 | 1.17 | 0.72, 1.89 | 0.5 | 1.20 | 0.79, 1.84 | 0.4 |
| Pathologic T stage | |||||||||
| pTA/IS/1 | — | — | — | — | — | — | |||
| pT2 | 1.23 | 0.95, 1.60 | 0.12 | 2.32 | 1.51, 3.57 | <0.001 | 1.36 | 1.01, 1.84 | 0.043 |
| pT3 | 1.35 | 1.08, 1.69 | 0.008 | 5.00 | 3.50, 7.16 | <0.001 | 2.28 | 1.77, 2.95 | <0.001 |
| pT4 | 1.49 | 0.81, 2.75 | 0.2 | 9.76 | 5.02, 19.0 | <0.001 | 3.97 | 2.19, 7.21 | <0.001 |
HR = hazard ratio; CI = confidence interval