Clinical Study
Endoscopic Submucosal Tunnel Dissection for Large Gastric Neoplastic Lesions: A Case-Matched Controlled Study
Table 1
Baseline characteristics and treatment outcomes of the SGLs.
| | ESTD () | ESD () | value |
| Baseline characteristics | Age (years) | 63.3 ± 5.53 | 61.1 ± 6.96 | 0.59 | Gender (male/female) | 6/1 | 4/3 | 0.31 | Lesion location | | | 1.00 | LC or PW of the cardia | 5 | 5 | | LC of lower gastric body | 2 | 2 | | Macroscopic type of lesions | | | 0.61 | 0 − Is/0 − IIa/0 − IIa + IIc/0 − IIc | 0/1/4/2 | 1/2/3/1 | | Presence of ulcer/scar of lesions | 0 | 0 | 1.00 | Treatment outcomes | Resection time (min) | 69.0 ± 25.88 | 87.71 ± 28.61 | 0.01 | Specimen area (mm2) | 1181.99 ± 388.08 | 1166.29 ± 370.09 | 0.31 | Resection speed (mm2/min) | 18.86 ± 7.13 | 13.76 ± 3.25 | 0.03 | En bloc resection | 7 | 7 | 1.00 | Complications | | | 1.00 | MP damage | 0 | 1 | | Perforation | 0 | 0 | | Postprocedural bleeding | 0 | 0 | | Pathology type | | | 0.63 | Precancerous lesion/cancer | 3/4 | 2/5 | | Complete resection | 6 | 7 | 0.50 | Curative resection | 6 | 6 | 1.00 | Endoscopic follow-up (months) | 27.14 ± 16.31 | 27.57 ± 20.98 | 0.94 | Recurrence | 1 | 1 | 1.00 |
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LC: lesser curvature; PW: posterior wall; MP: muscularis propria. Quantitative data are presented as mean ± standard deviation. . |