Table 1.
Clinicopathologic characteristics of all patients.
| Characteristics | Number (n = 2085) |
Percentage (%) | Mean ± SD |
|---|---|---|---|
| Gender | |||
| Male | 1369 | 66.7 | |
| Female | 716 | 34.3 | |
| Age, years | 2085 | 100 | 54.8 ± 11.5 |
| Location of tumor | |||
| Lower third | 1270 | 60.9 | |
| Middle third | 631 | 30.3 | |
| Upper third | 184 | 8.8 | |
| Tumor size (mm) | 2085 | 100 | 30.5 ± 19.1 |
| Retrieved lymph node | 2085 | 100 | 25.0 ± 12.7 |
| Gastrectomy | |||
| Subtotal | 1850 | 88.7 | |
| Total | 235 | 11.3 | |
| Depth of invasion | |||
| Mucosa | 1033 | 49.5 | |
| Submucosa | 1052 | 50.5 | |
| Macroscopic finding | |||
| Superficial | 1752 | 84.0 | |
| Protruded | 119 | 5.7 | |
| Excavated | 214 | 10.3 | |
| Histopathologic type | |||
| Papillary adenocarcinoma | 8 | 0.4 | |
| Tubular adenocarcinoma | 1705 | 81.8 | |
| Well differentiated | 480 | 23.0 | |
| Moderately differentiated | 574 | 27.5 | |
| Poorly differentiated | 651 | 31.2 | |
| Signet ring cell carcinoma | 345 | 16.5 | |
| Mucinous adenocarcinoma | 26 | 1.2 | |
| Lymph node metastasis | |||
| No | 1829 | 87.7 | |
| Yes | 256 | 12.3 | |
| Tumor recurrence | |||
| No | 1990 | 95.4 | |
| Yes | 95 | 4.6 | |
| Stage | |||
| I | 1829 | 87.7 | |
| II | 156 | 7.5 | |
| III | 75 | 3.6 | |
| IV | 25 | 1.2 | |
| Adjuvant chemotherapy | |||
| No | 1963 | 94.1 | |
| Yes | 122 | 5.9 |
SD, standard deviation.