Table 3. Cox Proportional Hazards Model of Pancreatic Neuroendocrine Tumor Recurrence Postoperatively.
| Demographic and clinical factors | HR (95% CI) | P value |
|---|---|---|
| Age, per y | 0.97 (0.94-1.00) | .12 |
| Sex | ||
| Female | 1 [Reference] | NA |
| Male | 3.77 (1.68-8.97) | .003 |
| MEN1 positive | 2.71 (0.90-8.17) | .08 |
| Tumor >6 cm | 0.96 (0.35-2.63) | .93 |
| Functional tumor | 0.23 (0.06-0.89) | .03 |
| Grade, per G level | 1.04 (0.92-2.01) | .92 |
| Lymph node involvement | 7.66 (2.78-21.12) | <.001 |
| Lesion location | ||
| Head | 1 [Reference] | NA |
| Neck | 1.05 (0.18-6.17) | .95 |
| Body | 0.96 (0.30-3.05) | .95 |
| Tail | 0.48 (0.15-1.57) | .22 |
| Multiple or diffuse | 1.76 (0.27-1.15) | .07 |
| Other organ resected | 6.15 (1.61-23.55) | .008 |
| Vascular resection | 1.84 (0.59-5.78) | .30 |
Abbreviations: HR, hazard ratio; MEN1, multiple endocrine neoplasia type 1; NA, not applicable.