Table 1 Baseline characteristics of patients with EGC
Item | Total (n = 211) | % |
|---|---|---|
Age (years) | ||
Average | 61.6 | |
Range | 40–83 | |
Sex | ||
Male | 162 | 76.8 |
Female | 49 | 23.2 |
Tumor location | ||
Upper 1/3 | 63 | 29.9 |
Middle 1/3 | 32 | 15.2 |
Lower 1/3 | 116 | 55.0 |
Gross type | ||
Elevated | 93 | 44.1 |
Flat | 71 | 33.6 |
Depressed | 47 | 22.3 |
Depth of invasion | ||
Mucous layer | 193 | 91.4 |
Submucosa | 18 | 8.5 |
Differentiated types | ||
Differentiated | 200 | 94.8 |
Undifferentiated | 11 | 5.2 |
Tumor size | ||
≤ 2 cm | 182 | 86.3 |
> 2 cm | 29 | 13.7 |
Lymphovascular infiltration | ||
Present | 4 | 1.9 |
Absent | 207 | 98.1 |
Resection margin | ||
Positive | 7 | 3.3 |
Negative | 204 | 96.7 |
Current gastric ulcer | 30 | 14.2 |
Current HP infection | 26 | 12.3 |
HER2 overexpression | 30 | 14.2 |