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 ± 5.5361.1 ± 6.960.59
Gender (male/female)6/14/30.31
Lesion location1.00
 LC or PW of the cardia55
 LC of lower gastric body22
Macroscopic type of lesions0.61
 0 − Is/0 − IIa/0 − IIa + IIc/0 − IIc0/1/4/21/2/3/1
Presence of ulcer/scar of lesions001.00
Treatment outcomes
Resection time (min)69.0 ± 25.8887.71 ± 28.610.01
Specimen area (mm2)1181.99 ± 388.081166.29 ± 370.090.31
Resection speed (mm2/min)18.86 ± 7.1313.76 ± 3.250.03
En bloc resection771.00
Complications1.00
 MP damage01
 Perforation00
 Postprocedural bleeding00
Pathology type0.63
 Precancerous lesion/cancer3/42/5
Complete resection670.50
Curative resection661.00
Endoscopic follow-up (months)27.14 ± 16.3127.57 ± 20.980.94
Recurrence111.00

LC: lesser curvature; PW: posterior wall; MP: muscularis propria. Quantitative data are presented as mean ± standard deviation. .