Age (years) | |
 Range | 37 to 81 |
 mean ± SD | 59.6 ± 12.0 |
MVD (mm2) | |
 Range | 1.4 to 73.9 |
 mean ± SD | 17.3 ± 14.2 |
 Relationship to venous invasion | Significant positive correlation (Mann–Whitney U test) |
LMVD (mm2) | |
 Range | 0 to 22.9 |
 mean ± SD | 6.5 ± 6.5 |
 Relationship to lymphatic invasion | Significant positive correlation (Mann–Whitney U test) |
Gender (n, %) | |
 Male | 23, 54.8 % |
 Female | 19, 45.2 % |
Pathological grade (n, %) | |
 NET G1 | 34, 81 % |
 NET G2 | 8, 19 % |
Ki 67 labeling index (%) | |
 Range | 0.1 to 3.2 |
 mean ± SD | 1.1 ± 0.8 |
 Relationship to tumor diameter | No significant correlation (Pearson’s product–moment correlation coefficient, p = 0.136) |
Venous invasion (n, %) | |
 Negative | 32, 76.2 % |
 Positive | 10, 23.8 % |
Lymphatic invasion (n, %) | |
 Negative | 29, 69 % |
 Positive | 13, 31 % |
Tumor diameter (μm) | |
 Range | 998.1 to 10046.0 |
 mean ± SD | 5058.0 ± 2410.3 |
 Relationship to MVD | Significant positive correlation (Pearson’s product–moment correlation coefficient, r = 0.612, p < 0.001) |
 Relationship to LMVD | No significant correlation (Pearson’s product–moment correlation coefficient, p = 0.744) |
Pathological stage (n, %) | |
 pStage I | 40, 95.2 % (all of them are pT1 and n0) |
 pStage II | 0, 0 % |
 pStage IIIB | 1, 2,4 % (lymph node metasis positive) |
 Unknown | 1, 2.4 % (margin positive) |