Table 1.
Characteristics of 149 patients
| Median age (Range) | 67 (41–87) |
| Sex | |
| Male | 105 (70) |
| Female | 44 (30) |
| Disease stage | |
| I, II | 102 (68) |
| III | 47 (32) |
| Preoperative CEA | |
| Positive | 25(17) |
| Negative | 124 (83) |
| Preoperative CA19-9 | |
| Positive | 11 (7) |
| Negative | 138 (93) |
| Approach of operation | |
| Open | 118 (79) |
| Laparoscopic | 31 (21) |
| Type of gastrectomy | |
| DG, PG | 97 (65) |
| TG | 52 (35) |
| Lymph node dissectiona | |
| D1, D1+ | 85 (57) |
| D2 | 64 (43) |
| Adjuvant chemotherapy | |
| Yes | 49 (33) |
| No | 100 (67) |
| Recurrence | |
| Patients with recurrence | 29 (19) |
| Patients without recurrence | 120 (81) |
Numbers in parentheses are %
aClassification according to the Japanese classification of gastric carcinoma and the Gastric Cancer Treatment Guidelines in Japan