Factors | Esophageal stricture (n = 4) | No esophageal stricture (n = 23) | p-Value | |
---|---|---|---|---|
Age (years; mean ± SD) | 65 ± 6.5 | 67 ± 1.4 | 0.61 | |
Gender | Male | 2 | 20 | 0.14 |
Female | 2 | 3 | ||
Number of primary tumors | Single | 1 | 21 | 0.013* |
Multiple | 3 | 2 | ||
Invasion depth | pT1a-MM | 3 | 13 | 0.62 |
pT1b-SM1 | 1 | 10 | ||
Circumferential extent of ESD | < 3/4 | 0 | 17 | 0.012* |
≥3/4 | 4 | 6 | ||
Longitudinal diameter of ESD (mm; mean ± SD) | 72 ± 14 | 38 ± 14 | 0.0033* | |
Additional chemotherapy | (+) | 1 | 7 | 1.00 |
(−) | 3 | 16 | ||
Additional RT | (+) | 2 | 11 | 1.00 |
(−) | 2 | 12 |