Table 2 Demographic data for patients with neuroendocrine neoplasms
Training and test datasets | Training | Test | Overall |
|---|---|---|---|
(N = 117) | (N = 41) | (N = 158) | |
Mean age, year | 62 (SD, 11) | 65 (SD, 10) | 63 (SD, 10) |
Gender | |||
Male | 63 (54) | 24 (59) | 87 (55) |
Female | 54 (46) | 17 (42) | 71 (45) |
Site of primary | |||
Small intestine | 67 (57) | 23 (56) | 90 (57) |
Pancreas | 23 (20) | 9 (22) | 32 (20) |
Lung | 7 (6) | 5 (12) | 12 (8) |
Cecum | 6 (5) | 2 (5) | 8 (5) |
Extrahepatic biliary tract | 2 (2) | 0 (0) | 2 (1) |
Esophagus | 1 (1) | 0 (0) | 1 (1) |
Gastric | 1 (1) | 0 (0) | 1 (1) |
Unknown primary NEN | 10 (9) | 2 (5) | 12 (8) |
WHO* | |||
Grade 1 | 29 (25) | 3 (7) | 32 (20) |
Grade 2 | 75 (64) | 32 (78) | 107 (68) |
Grade 3 | 6 (5) | 6 (15) | 12 (8) |
Missing | 7 (6) | 0 (0) | 7 (4) |
Mean Ki67, % | 8 (SD, 14) | 11 (SD, 8) | 9 (SD, 12) |
Negative controls | Training | Test | Overall |
|---|---|---|---|
(N = 0) | (N = 10) | (N = 10) | |
No disease | 0 (0) | 10 (100) | 10 (100) |