Table 1 Clinical characteristics of the gastric lesions
Number | Percent | |
|---|---|---|
Total no. of gastric lesions | 299 | |
Age (years, mean ± SD) | 71.6 ± 9.1 | |
Sex | ||
Male | 225 | (75.3) |
Female | 74 | (24.7) |
Under antithrombotic therapy | 81 | (27.1) |
Single antiplatelet agent | 52 | |
≥ 2 antiplatelet agents | 11 | |
Single anticoagulant agent | 12 | |
Antiplatelet(s) plus anticoagulant | 6 | |
On hemodialysis | 1 | (0.3) |
Tumor location | ||
Upper third | 47 | (15.7) |
Middle third | 142 | (47.5) |
Lower third | 110 | (36.8) |
Length of the resected specimen (mm, mean ± SD) | 36.4 ± 15.3 | |
Morphology | ||
Elevated | 174 | (58.2) |
Flat or depressed | 125 | (41.8) |
Pathology | ||
Adenoma | 51 | (17.1) |
Adenocarcinoma, differentiated type | 231 | (77.3) |
Adenocarcinoma, undifferentiated type | 17 | (5.7) |
Depth of invasion | ||
M | 263 | (88.0) |
SM, ≤ 500 mm (micrometer) | 16 | (5.4) |
SM, > 500 mm (micrometer) | 20 | (6.7) |
Ulcer scar within the lesion | 16 | (5.4) |
Curative resection by ESD | 266 | (89.0) |