Characteristics of the 59 Patients
| Characteristic | Data |
| Age at scanning (y) | |
| Mean | 61 |
| Range | 32–81 |
| Sex | |
| Male | 35 (59%) |
| Female | 24 (41%) |
| NET type | |
| Small intestinal | 35 (59%) |
| Pancreatic | 11 (19%) |
| Colonic | 5 (9%) |
| Lung | 2 (3%) |
| Other | 3 (5%) |
| Unknown origin | 3 (5%) |
| Classification | |
| GEP G1 (Ki-67 ≤ 2%) | 12 (20%) |
| GEP G2 (Ki-67, 3%–20%) | 40 (68%) |
| GEP G3 (Ki-67 > 20%) | 0 |
| Ki-67 not available | 5 (9%) |
| Lung, typical carcinoid | 1 (1.5%) |
| Atypical carcinoid | 1 (1.5%) |
| Previous treatment | |
| Somatostatin analogs | 32 (54%) |
| Surgery | 32 (54%) |
| Interferon-α | 27 (46%) |
| PRRT | 19 (30%) |
| Chemotherapy | 16 (27%) |
| Radiofrequency ablation | 3 (5%) |
| Chemoembolization | 3 (5%) |
GEP = gastroenteropancreatic; PRRT = peptide receptor radionuclide therapy.
Data are n followed by percentage in parentheses, except for age.