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.