Table 2. Univariate and multivariate analysis of the prognostic factors for overall survival of GBC.
| Prognostic factors | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| RR | 95%CI | P value | RR | 95%CI | P value | |
| Sex | 1.062 | 0.678-1.644 | 0.793 | |||
| Age (years) | 1.118 | 0.772-1.809 | 0.443 | |||
| Associated gallstone | 0.848 | 0.525-1.372 | 0.503 | |||
| Tumor size | 0.006 | 0.001-0.045 | 0.000 | 0.000 | 0.169-4.183 | 0.846 |
| Histological grade | 0.084 | 0.045-0.157 | 0.000 | 0.387 | 0.124-1.206 | 0.102 |
| Tumor invasion (AJCC) | 0.103 | 0.056-0.189 | 0.000 | 0.352 | 0.183-0.678 | 0.002 |
| Lymph node | 0.113 | 0.063-0.200 | 0.000 | 0.795 | 0.271-2.281 | 0.670 |
| TROP2 expression | 0.259 | 0.163-0.412 | 0.000 | 0.463 | 0.274-0.782 | 0.004 |