Table IV.
Kaplan-Meier survival analysis of gastrointestinal NETs patients with regard to clinicopathological factors.
| Parameter | Patients, n | Median overall survival, monthsa | 3-year survival rate, %a | 95% CI | P-value |
|---|---|---|---|---|---|
| Gender | 0.276 | ||||
| Male | 42 | 80.4 | – | 70.2–90.6 | |
| Female | 36 | 73.5 | – | 60.1–87.0 | |
| Age, years | 0.089 | ||||
| <30 | 6 | 61.8 | – | 36.6–87.1 | |
| 31–60 | 33 | 88.9 | – | 79.4–98.4 | |
| >60 | 39 | 66.2 | – | 54.1–78.4 | |
| Histopathological classification | <0.001 | ||||
| NET G1 | 20 | – | 100.0 | – | |
| NET G2 | 29 | – | 100.0 | – | |
| NEC | 9 | – | 44.4 | – | |
| MANEC | 20 | – | 85.0 | – | |
| Depth of invasion | 0.009 | ||||
| Submucosal | 24 | – | 100.0 | – | |
| Deeper invasion | 54 | – | 83.3 | – |
a
Overall and 3-year survival could not be calculated for parameters where patients remained alive (marked by the symbol, -). NET, neuroendocrine tumor; NEC, neuroendocrine carcinoma; MANEC, mixed adenoneuroendocrine carcinoma; CI, confidence interval.