Table 3 Clinicopathological characteristics related to metastasis
Pathologic characteristics | Total | Metastasis | Non-metastasis | χ 2 | P |
|---|---|---|---|---|---|
Sex | |||||
 Male | 259 | 112(43.2%) | 147(56.8%) | 10.370 | <0.01 |
 Female | 181 | 51(28.2%) | 130(71.8%) | ||
Age | |||||
  ≤ 50 | 158 | 33 (20.9%) | 125 (79.1%) | 27.602 | <0.01 |
 >50 | 282 | 130 (46.1%) | 152 (53.9%) | ||
Site | |||||
 Stomach | 107 | 64(59.8%) | 43(40.2%) | 67.249 | <0.01 |
 Rectum | 106 | 12(11.3%) | 94(88.7%) | ||
 Pancreas | 90 | 17(18.9%) | 73(81.1%) | ||
Functional status | |||||
 Functional | 51 | 2 (3.9%) | 49 (96.1%) | 25.556 | <0.01 |
 Nonfunctional | 389 | 161 (41.4%) | 228 (58.6%) | ||
Tumor diameter | |||||
  ≤ 2 cm | 156 | 14(9.0%) | 142(91.0%) | 80.879 | <0.01 |
 2-4 cm | 51 | 23(45.1%) | 28(54.9%) | ||
  ≥ 4 cm | 72 | 47(65.3%) | 25(34.7%) | ||
Tumor grading | |||||
 G1 | 130 | 4(3.1%) | 126(96.9%) | 182.475 | <0.01 |
 G2 | 120 | 22(18.3%) | 98(81.7%) | ||
 G3 | 190 | 137(72.1%) | 53(27.9%) | ||
Tumor type | |||||
 NET | 250 | 26(10.4%) | 224(89.6%) | 182.746 | <0.01 |
 NEC | 146 | 113(77.4%) | 33(22.6%) | ||
 MANEC | 14 | 8 (57.1%) | 6 (42.9%) | ||