Table 1.
Characteristics of patients
| Characteristics | Pre-operation (n = 93) | Post-operation (n = 63) |
|---|---|---|
| No. of Patients (%) | No. of Patients (%) | |
| Gender | ||
| Male | 68 (73.1%) | 46 (73.0%) |
| Female | 25 (26.9%) | 17 (27.0%) |
| Age (years) | ||
| ≤ 45 | 16 (17.2%) | 13 (20.6%) |
| > 45 | 77 (82.8%) | 50 (79.4%) |
| Primary sitea | ||
| EGJ | 29 (31.2%) | 19 (30.2%) |
| Non-EGJ | 64 (68.8%) | 44 (69.8%) |
| Differentiationb | ||
| Good | 22 (23.7%) | 15 (23.8%) |
| Poor | 71 (76.3%) | 48 (76.2%) |
| Lauren | ||
| Intestinal | 36 (38.7%) | 25 (39.7%) |
| Diffuse | 23 (24.7%) | 16 (25.4%) |
| Mixed | 34 (36.6%) | 22 (34.9%) |
| TNM classification | ||
| I | 24 (25.8%) | 15 (23.8%) |
| II | 24 (25.8%) | 16 (25.4%) |
| III | 45 (48.4%) | 32 (50.8%) |
| Depth of penetration | ||
| T1/T2 | 30 (32.3%) | 19 (30.2%) |
| T3 | 34 (36.6%) | 25 (39.7%) |
| T4 | 29 (31.2%) | 19 (30.2%) |
| Lymph node | ||
| N0 | 31 (33.3%) | 16 (25.4%) |
| N1/N2 | 31 (33.3%) | 26 (41.3%) |
| N3 | 31 (33.3%) | 21 (33.3%) |
| Lymph-vascular invasion | ||
| Yes | 45 (48.4%) | 34 (54.0%) |
| No | 48 (51.6%) | 29 (46.0%) |
| CEAc level before operation (ng/ml) | ||
| < 5 | 75 (80.6%) | 51 (81.0%) |
| ≥ 5 | 17 (18.3%) | 12 (19.0%) |
| NAd | 1 (1.1%) | 0 (0.0%) |
| Adjuvant chemotherapy | ||
| Yes | 56 (60.2%) | 42 (66.7%) |
| No | 37 (39.8%) | 21 (33.3%) |
aEGJ, gastroesophageal junction
bGood, including high or moderate differentiation; Poor, including low differentiation, mucinous adenocarcinoma, and signet-ring cell carcinoma
ccarcinoembryonic antigen
dnon-available