Table 1.
Characteristics of 1483 patients with pancreatic endocrine tumors in the SEER registry 1973–2000
| Mean (range) | SD | |
| Age (all patients) | 58.5 (19–95) | 14.9 |
| Nonfunctional | 58.8 (19–95) | 14.7 |
| Functional | 55.2 (19–93) | 16.3 |
| N | % | |
| Sex | ||
| Male | 819 | 55.2 |
| Female | 664 | 44.8 |
| Race | ||
| White | 1247 | 84.1 |
| Black | 139 | 9.4 |
| Asian | 69 | 4.7 |
| Other | 28 | 1.9 |
| Stage | ||
| Localized | 164 | 11.1 |
| Regionally advanced | 307 | 20.7 |
| Metastatic | 893 | 60.2 |
| Unstaged | 119 | 8.0 |
| Grade | ||
| 1 | 88 | 5.9 |
| 2 | 77 | 5.2 |
| 3 | 106 | 7.2 |
| 4 | 40 | 2.7 |
| Not graded | 1172 | 79.0 |
| Number of primaries | ||
| 1 | 1310 | 88.3 |
| ≥2 | 173 | 11.7 |
| Functional statusa | ||
| Nonfunctional PETs | 1346 | 90.8 |
| Malignant insulinoma | 37 | 2.5 |
| Malignant gastrinoma | 63 | 4.2 |
| Malignant glucagonoma | 23 | 1.6 |
| Malignant VIPoma | 14 | 0.9 |
a
Based upon histology codes.
SEER, Surveillance, Epidemiology, and End Results.