Table 2 The univariate and multivariate analysis for biliary system NEN
Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
P value | Hazard ratio (HR) | 95% confidence interval (CI) | P value | |
Gallbladder NEN | ||||
 Age | 0.081 | / | / | / |
 Race | 0.516 | / | / | / |
 Gender | 0.699 | / | / | / |
 Grade | 0.001 |  |  | 0.641 |
 Pathology | 0.017 |  |  | 0.662 |
 Surgery method | 0.023 | 3.397 | 1.209–9.541 | 0.020 |
 Lymph node metastasis | 0.027 | 4.236 | 1.276–14.059 | 0.018 |
 Tumor size | 0.036 |  |  | 0.490 |
AOV NEN | ||||
 Age | 0.010 | 2.198 | 1.150–4.199 | 0.017 |
 Race | 0.146 |  |  |  |
 Gender | 0.699 |  |  |  |
 Grade | P < 0.001 |  |  | 0.239 |
 Pathology | 0.024 |  |  | 0.220 |
 Surgery method | 0.048 |  |  | 0.944 |
 Lymph node metastasis | 0.004 | 2.633 | 1.312–5.285 | 0.006 |
 Tumor size | 0.773 |  |  |  |
EBD NEN | ||||
 Age | 0.537 | / | / | / |
 Race | 0.274 | / | / | / |
 Gender | 0.330 | / | / | / |
 Grade | 0.001 | 7.821 | 2.122–28.828 | 0.002 |
 Pathology | 0.062 | / | / | / |
 Surgery method | 0.380 | / | / | / |
 Lymph node metastasis | 0.036 | 6.141 | 1.169–32.244 | 0.032 |
 Tumor size | 0.015 | / |  | / |