Characteristics of Study Population
| Characteristic | Data |
|---|---|
| Demographics | |
| Male | 27 |
| Female | 24 |
| Mean age (y) | 55.5 |
| Age range (y) | 18–80 |
| Primary origin (n) | |
| Bronchus | 2 |
| Thyroid | 2 |
| Thymus | 2 |
| Pancreas | 13 |
| Midgut | 22 |
| Hindgut | 2 |
| Paraganglioma | 2 |
| Unknown | 6 |
| Histologic grade (n) | |
| Low | 28 |
| Intermediate | 19 |
| High | 4 |
| Treatment (n) | |
| Current therapy with somatostatin analogs | 27 |
| Previous surgery | 9 |
| Previous chemotherapy | 10 |
Histologic grade was determined using proposed guidelines of European Neuroendocrine Tumour Society and extrapolated to include thymic carcinoid, unknown primaries, and paraganglioma.