Table I.
Clinical, surgical and pathological characteristics of the study population (n=162).
| Characteristic | Total, n (%) |
|---|---|
| Mean age ± SD, years | 51.2±12.6 |
| Gender | |
| Male | 69 (42.6) |
| Female | 93 (57.4) |
| Hormone secretion status | |
| Functioning | 21 (13.0) |
| Non-functioning | 141 (87.0) |
| Mean tumor size ± SD, cm | 4.1±2.8 |
| Location | |
| Head | 64 (39.5) |
| Body and tail | 95 (58.6) |
| Multicentricity | 3 (1.9) |
| Lymph node metastasis | 40 (24.7) |
| Distant metastasis | 13 (8.0) |
| Surgical approach | |
| PD/PPPD | 42 (26.0) |
| DP | 88 (54.3) |
| LP | 24 (14.8) |
| TP | 8 (4.9) |
| R0 resection | 147 (90.7) |
| ENETS stage | |
| I | 40 (24.7) |
| II | 77 (47.5) |
| III | 32 (19.8) |
| IV | 13 (8.0) |
| 2010 WHO grading classification | |
| NET G1 | 79 (48.8) |
| NET G2 | 67 (41.3) |
| NEC G3 | 16 (9.9) |
SD, standard deviation; PD, pancreatoduodenectomy; PPPD, pylorus-preserving PD; DP, distal pancreatectomy; LP, local resection of pancreatic tumor; TP, total pancreatectomy; ENETS, European Neuroendocrine Tumor Society; WHO, World Health Organization; NET, neuroendocrine tumor; G, grade; NEC, neuroendocrine carcinoma.