Table 2.
Prognostic significance for OS by multivariate analysis of variables for patients with pNETs using the Cox proportional hazard regression model.
| Variables | HR (95% CI) | P |
|---|---|---|
| Age, years | ||
| ≤60 | 1 | |
| >60 | 1.753 (1.552–1.980) | <0.001 |
| Sex | ||
| Male | 1 | |
| Female | 0.932 (0.826–1.052) | 0.255 |
| Race | ||
| White | 1 | |
| Black | 1.267 (1.062–1.511) | 0.008 |
| Others | 0.852 (0.681–1.066) | 0.161 |
| Grade | ||
| I-II | 1 | |
| III-IV | 4.427 (3.635–5.392) | <0.001 |
| Unknown | 2.378 (2.036–2.778) | <0.001 |
| Tumor type | ||
| Functional | 1 | |
| Non-functional | 1.632 (1.240–2.147) | <0.001 |
| Location | ||
| Head | 1 | |
| Body-tail | 0.834 (0.721–0.964) | 0.014 |
| Others | 0.975 (0.838–1.135) | 0.746 |
| AJCC stage | ||
| IA | 1 | |
| IB | 1.589 (0.908–2.781) | 0.105 |
| IIA | 2.687 (1.528–4.723) | 0.001 |
| IIB | 2.481 (1.471–4.187) | 0.001 |
| III | 5.969 (3.373–10.563) | <0.001 |
| IV | 9.601 (5.984–15.404) | <0.001 |
CI, confidence interval; HR, hazard ratio.