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 1 Single-factor analysis of endoscopic submucosal dissection operation time
Factors
n
Operation time (min) (mean ± SD)
r/t/F
P value
Age (yr)52066.78 ± 40.890. 1910.812
Sex0.3110.764
Male36764.19 ± 41.21
Female15373.38 ± 35.82
Underlying diseases0.9210.146
None37963.11 ± 27.17
Hypertension12670.91 ± 32.19
Diabetes1267.24 ± 41.65
Cirrhosis378.55 ± 30.52
History of taking anticoagulant or antiplatelet drugs1.2600.262
Yes3159.51 ± 48.44
No48966.12 ± 20.38
Lesion location1.3330.198
Upper gastric body11275.76 ± 31.76
Middle gastric body7063.36 ± 38.91
Lower gastric body33865.54 ± 39.18
Maximum diameter of lesion8.691< 0.001
< 3.00 cm35152.22 ± 29.81
≥ 3.00 cm16990.38 ± 40.21
Lesion form11.123< 0.001
Uplift type13448.54 ± 28.11
Flat type13853.66 ± 31.81
Concave type9171.17 ± 33.71
Mixed type157109.33 ± 40.28
Combined ulcer or scar7.2880.001
Yes6493.17 ± 37.34
No45662.36 ± 31.97
Combined perforation9.327< 0.001
Yes21121.33 ± 41.19
No49963.17 ± 36.85
Infiltrative depth5.4420.017
Mucosa39755.44 ± 36.18
Submucosa12387.23 ± 39.67
Table 2 Indigenous test results of multivariate linear regression independent variables
Factors
Unstandardized β value
Sx value
Standardized β value
t value
P value
Intercept21.6740.433-36.188< 0.001
Maximum diameter of lesion8.8150.6840.7323.812< 0.001
Lesion form - flat1.2771.4750.0320.3330.493
Lesion form - concave type3.7660.8720.3834.456< 0.001
Lesion form - mixed10.2470.9290.6339.580< 0.001
Combined ulcer or scar4.4170.3050.1803.1540.007
Combined perforation3.6922.3030.1532.3400.020
Infiltrative depth - submucosa2.5360.5690.0772.6520.008
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
Table 4 Logistic regression analysis of delayed hemorrhage after endoscopic submucosal dissection
Factors
β
Sx
Wald value
OR (95%CI)
P value
Hypertension
No1
Yes0.7760.5222.1752.137 (0.912-2.643)0.136
Taking anticoagulants
No
Yes1.8411.0622.8514.377 (0.657-37.912)0.078
Maximum diameter of lesion
< 3.00 cm1
≥ 3.00 cm0.9410.3477.3993.785 (1.165-4.277)0.011
Lesion form
Uplift type1
Flat type0.7011.0310.4522.011 (0.251-15.664)0.072
Concave type2.3781.6794.91710.585 (2.133-35.381)0.007
Mixed type1.3271.7200.8732.816 (0.463-19.832)0.254
ESD operation time
< 60 min1
≥ 60 min1.4461.2713.5412.958 (1.117-3.526)0.011