Retrospective Study
Copyright ©The Author(s) 2023.
World J Gastrointest Surg. Jan 27, 2023; 15(1): 94-104
Published online Jan 27, 2023. doi: 10.4240/wjgs.v15.i1.94
Table 3 Single-factor analysis of the bleeding group and non-bleeding group
Factors
Bleeding group (n = 43)
Non-bleeding (n = 477)
χ2 value
P value
Age (yr)0.1200.729
< 6023242
≥ 6020235
Sex0.0150.903
Male30337
Female13140
Underlying diseases
Hypertension161104.3010.038
Diabetes2101.1420.285
Cirrhosis03--
History of taking anticoagulant or antiplatelet drugs59.148< 0.001
Yes1417
No29460
Lesion location0.4890.783
Upper gastric body10102
Middle gastric body763
Lower gastric body26312
Maximum diameter of lesion29.677< 0.001
< 3.00 cm13338
≥ 3.00 cm30139
Lesion form11.0980.011
Uplift type7127
Flat type12126
Concave type1576
Mixed type9148
Combined ulcer or scar0.0200.887
Yes559
No38418
Combined perforation1.0440.307
Yes318
No40459
Infiltrative depth3.2740.070
Mucosa28369
Submucosa15108
ESD operation time6.9790.008
< 60 min16277
≥ 60 min27200