Table 5.
Overall survival
| Number | Mean survival times (years) | 95% CI | χ 2 | P- value | |
|---|---|---|---|---|---|
| All |
168 |
8.94 ± 0.28 |
8.40-9.48 |
|
|
|
Age |
|
|
|
4.33 |
0.04* |
| ≤ 50 |
76 |
9.50 ± 0.29 |
8.92-10.07 |
|
|
| > 50 |
92 |
7.46 ± 0.38 |
6.73-8.20 |
|
|
|
Gender |
|
|
|
4.25 |
0.04* |
| Male |
102 |
9.31 ± 0.27 |
8.78-9.84 |
|
|
| Female |
66 |
7.71 ± 0.61 |
6.52-8.91 |
|
|
|
Site |
|
|
|
4.40 |
0.11 |
| Rectum |
99 |
9.40 ± 0.27 |
8.88-9.92 |
|
|
| Pancreas |
23 |
4.09 ± 0.48 |
3.14-5.03 |
|
|
| Othersa |
46 |
7.59 ± 0.57 |
6.47-8.72 |
|
|
| Size |
|
|
|
18.485 |
<0.01* |
| < 1 cm |
44 |
9.84 ± 0.16 |
9.53-10.15 |
|
<0.01c |
| 1-2 cm |
50 |
8.88 ± 0.28 |
8.34-9.42 |
|
0.01c |
| > 2 cm |
51 |
5.06 ± 0.51 |
4.07-6.06 |
|
|
| Unclearb |
23 |
8.50 ± 0.39 |
7.74-9.26 |
|
0.01c |
|
Tumor type |
|
|
|
58.840 |
<0.01* |
| NET |
41 |
7.35 ± 0.63 |
6.13-8.58 |
|
<0.01c |
| NEC |
12 |
2.80 ± 0.87 |
1.09-4.50 |
|
|
| Unclear | 115 | 9.80 ± 0.14 | 9.53-10.08 |
aothers represent stomach, duodenum, jejunum, ileum, colon, appendix.
bspecimens too small to be properly described tumor size.
clog-rank test (pairwise over strata) according to size and tumor type; the P-values of tumor size 1 cm vs. > 2 cm, 1–2 cm vs. > 2 cm, Unclear vs. > 2 cm and NET vs. NEC were < 0.05.
*P <0.05.
NET, neuroendocrine tumor; NEC, neuroendocrine carcinoma.