Research Article
Clinical Factors of Delayed Perforation after Endoscopic Submucosal Dissection for Gastric Neoplasms
Table 1
Clinicopathological findings of 1199 early gastric neoplasms undergoing endoscopic submucosal dissection.
| Clinicopathological findings | n (%) |
| Sex | | Male | 937 (78.1) | Female | 262 (21.9) | Age | | Median (range) | 71 (41–92) | <70 | 524 (43.7) | ≥70 | 675 (56.3) | Stomach status | | Normal stomach | 1151 (96.0) | Remnant stomach | 33 (2.7) | Gastric tube | 15 (1.3) | Location | | Upper | 222 (18.5) | Middle | 510 (42.5) | Lower | 467 (39.0) | Size (mm) | | Median (range) | 14 (1–73) | ≤20 | 893 (74.5) | >20 | 306 (25.5) | Depth of invasion | | M | 1029 (85.8) | SM | 170 (14.2) | Ulceration | | Absent | 1051 (87.7) | Present | 148 (12.3) | Procedure time (hours) | | <2 | 863 (71.8) | ≥2 | 336 (28.2) |
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M: mucosa; SM: submucosa.
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