Table 1 Patient Characteristics
| Â | NEC dominant type | AC dominant type | P value |
|---|---|---|---|
Age(year) | 0.071 | ||
  < 65 | 16 | 21 |  |
  ≥ 65 | 28 | 15 |  |
Gender | 0.798 | ||
 Male | 33 | 28 |  |
 Female | 11 | 8 |  |
ASA score | 0.265 | ||
 1 | 20 | 22 |  |
 2 | 20 | 10 |  |
  ≥ 3 | 4 | 4 |  |
Tumor size(cm) | 0.023 | ||
  < 5 | 20 | 26 |  |
  ≥ 5 | 24 | 10 |  |
Tumor location | 0.108 | ||
 Upper | 23 | 15 |  |
 Middle | 4 | 8 |  |
 Lower | 9 | 11 |  |
 Diffuse | 8 | 2 |  |
T stage | 0.202 | ||
 T1 + T2 | 5 | 8 |  |
 T3 | 24 | 13 |  |
 T4 | 15 | 15 |  |
N stage | 0.095 | ||
 N0 | 12 | 4 |  |
 N1 | 32 | 32 |  |
TNM stage | 0.268 | ||
 I-II | 11 | 5 |  |
 III | 33 | 31 |  |
Operation types | 0.145 | ||
 Total gastrectomy | 34 | 22 |  |
 Distal gastrectomy | 10 | 14 |  |
Surgical method | 0.631 | ||
 Open | 15 | 10 |  |
 Laparoscopic | 29 | 26 |  |
Complication | 0.763 | ||
 Yes | 8 | 5 |  |
 No | 36 | 31 |  |
Ki-67 positive index (%) | 0.26 | ||
  < 60 | 16 | 18 |  |
  ≥ 60 | 28 | 18 |  |