Table 1.
Demographic and clinicopathological characteristics of the entire cohort of patients
| Variable | Entire cohort (n = 205) (%) |
|---|---|
| Age | |
| < 60 | 85 (41.5) |
| ≥ 60 | 120 (58.5) |
| Gender | |
| Male | 156 (76.1) |
| Female | 49 (23.9) |
| Tobacco smoker | |
| Yes | 107 (52.2) |
| No | 98 (47.8) |
| Alcohol drinker | |
| Yes | 109 (53.2) |
| No | 96 (46.8) |
| Histological grade | |
| Well-differentiation | 9 (4.4) |
| Moderate-differentiation | 186 (90.7) |
| Poor-differentiation | 10 (4.9) |
| Longitudinal length of lesion(cm) | |
| <3 | 98 (47.8) |
| ≥ 3 | 107 (52.2) |
| Circumferential range | |
| <3/4 | 189 (92.2) |
| >3/4 | 16 (7.8) |
| Invasion depth | |
| HGD & m1 ESCC | 125 (60.9) |
| m2 & sm1 ESCC | 80 (39.0) |
| Lymphovascular invasion | |
| Yes | 9 (4.4) |
| No | 196 (95.6) |
| Post-ESD stricture | |
| Yes | 60 (29.3) |
| No | 145 (70.7) |
| Budding (mm) | |
| >5 | 13 (6.3) |
| ≤ 5 | 192 (93.7) |
| P. gingivalis | |
| High | 69 (33.7) |
| Low | 136 (66.3) |
| Local recurrence | |
| Yes | 30 (14.6) |
| No | 175 (85.4) |
HGD High grade dysplasia, m2 ESCC ESCC invading the lamina propria, m3 ESCC ESCC invading the mucularis mucosa, sm1 ESCC ESCC invading the submucosal layer less than 200 μm