Table 1. Clinical and Pathological Characteristics.
| Variable | |
|---|---|
| N | 1080 |
| Age (years), median (IQR) | 64 (57–72) |
| Sex (male/female) | 839/241 |
| BMI (kg/m2), median (IQR) | 21.48 (19.48–23.66) |
| Tumor size (cm), median (IQR) | 4.0 (2.5–5.0) |
| Tumor location [n, (%)] | |
| Antrum | 704 (65.1%) |
| Corpus | 173 (16.0%) |
| Cardia | 185 (17.1%) |
| Whole | 13 (1.2%) |
| Pathological type [n, (%)] | |
| Ulcerative | 939 (86.9%) |
| Nonulcerative | 141 (13.1%) |
| Histopathological differentiation [n, (%)] | |
| Highly differentiated | 109 (10.1%) |
| Moderately differentiated | 202 (18.7%) |
| Poorly differentiated | 555 (51.4%) |
| Undifferentiated | 214 (19.8%) |
| Depth of invasion [n, (%)] | |
| T1/T2 | 347 (32.1%) |
| T3/T4 | 731 (67.7%) |
| Lymphatic invasion [n, (%)] | |
| N0 | 388 (35.9%) |
| N1 | 195 (18.1%) |
| N2 | 234 (21.7%) |
| N3 | 259 (24.0%) |
| Peritoneal metastasis [n, (%)] | |
| Yes | 101 (9.4%) |
| No | 979 (90.6%) |
Data are missing considering the tumor location for 5 patients, pathological type for 4 patients, depth of invasion for 2 patients, and lymphatic invasion for 4 patients. IQR, interquartile range