Table 2.
Comparison of clinical characteristics according to the diagnosis and treatment procedures.
| Variables | Conventional management | Endoscopic diagnosis | Systematic endoscopic intervention | P value |
|---|---|---|---|---|
| Male | 71(75.5%) | 78(89.7%) | 18(81.8%) | 0.045 |
| Age (years) | 59.5 | 63.2 | 61.8 | 0.005 |
| Body mass index (kg/m2) | 22.3 | 21.5 | 22.0 | 0.211 |
| Smoking index | 507.6 | 497.2 | 429.6 | 0.802 |
| Drinking history | 32(34.0%) | 30(34.5%) | 7(31.8%) | 0.972 |
| Diabetes Mellitus | 7(7.4%) | 12(13.8%) | 4(18.2%) | 0.218 |
| Hypertension | 25(26.6%) | 23(26.4%) | 4(18.2%) | 0.699 |
| Gastric ulcer and/or gastritis | 65(69.1%) | 62(71.3%) | 17(77.3%) | 0.749 |
| Tumor location | 0.545 | |||
| upper thoracic | 12(12.8%) | 6(6.9%) | 3(13.6%) | |
| middle thoracic | 58(61.7%) | 52(59.8%) | 14(63.6%) | |
| lower thoracic | 24(25.5%) | 29(33.3%) | 5(22.7%) | |
| Tumor staging | 0.058 | |||
| I | 13(13.8%) | 23(26.4%) | 8(36.4%) | |
| II | 31(33.0%) | 29(33.3%) | 2(9.1%) | |
| III | 46(49.0%) | 30(34.5%) | 11(50.0%) | |
| IV | 4(4.2%) | 5(5.7%) | 1(4.5%) | |
| Postoperative fever | 27(28.7%) | 28(32.2%) | 5(22.7%) | 0.666 |
| Neo-adjuvant therapy | 11 | 16 | 3(13.6%) | 0.443 |
| Anastomosis infection | Unavailable | 52(59.8%) | 15(68.2%) | 0.469 |
| Leak size(mm2) | Unavailable | 52.34 | 52.09 | 0.992 |