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. 2023 Jan 6;12(2):471. doi: 10.3390/jcm12020471

Table 3.

Comparison of clinicopathological characteristics between the ESD and surgery groups.

Clinicopathological Characteristics Treatment χ 2 p
ESD Surgery
Age, mean ± SD, years 63.1 ± 7.75 61.7 ± 6.79 0.361
Sex 1.669 0.196
Male 71 24
Female 38 7
BMI, mean ± SD, kg/m2 22.9 ± 3.39 23.2 ± 3.21 0.655
Lesion location - 0.179
Upper 10 1
Upper-Middle 22 2
Middle 32 9
Middle-Lower 37 17
Lower 8 2
Longitudinal diameter, mm
Median (P25, P75) 70 (50, 90) 70 (50, 90) 0.520
Macroscopic type - 0.362
0-IIa 30 13
0-IIb 78 18
0-IIc 1 0
Degree of differentiation - 0.814
Well differentiated 2 0
Moderately differentiated 63 20
Poorly differentiated 19 9
Basaloid 4 1
Depth of invasion 7.883 0.005
EP/LPM/MM/SM(<200 μm) 87 17
SM(≥200 μm) 22 14
Angiolymphatic invasion present 17 5 - 1.000

EP, epithelium, high-grade intraepithelial neoplasia in WHO classification of digestive system tumours; LPM, lamina propria mucosa; MM, muscularis mucosa; SM, submucosa.