Variable | Type E (SQ) (n = 12) | Type E (AD) (n = 6) | Type Ge (n = 27) | Type G (n = 47) | P-value |
---|---|---|---|---|---|
Sex | 0.906 | ||||
Male | 10 | 5 | 20 | 37 | |
Female | 2 | 1 | 7 | 10 | |
Age (mean ± SD) | 64.4 ± 6.84 | 66.3 ± 7.97 | 65.2 ± 10.6 | 66.5 ± 9.67 | 0.728 |
Extent of surgical resection | < 0.001** | ||||
Subtotal esophagectomy with partial gastrectomy | 11 | 3 | 0 | 0 | |
Proximal gastrectomy with partial esophagectomy | 1 | 1 | 8 | 20 | |
Total gastrectomy with partial esophagectomy | 0 | 2 | 19 | 27 | |
Extent of lymph node dissection | < 0.001** | ||||
Abdominal, mediastinal and cervical | 9 | 2 | 0 | 0 | |
Abdominal and mediastinal | 2 | 3 | 4 | 0 | |
Abdominal and lower mediastinal† | 1 | 1 | 17 | 8 | |
Abdominal | 0 | 0 | 6 | 39 | |
Number of dissected lymph nodes (mean ± SD) | 28.1 ± 12.1 | 28.7 ± 18.1 | 46.4 ± 34.6 | 35.3 ± 26.8 | 0.295 |
Pathological tumor size (mm, mean ± SD) | 46.3 ± 22.4 | 41.5 ± 36.4 | 62.2 ± 18.6 | 37.9 ± 20.5 | < 0.001** |
Main histological type | < 0.001** | ||||
Squamous cell carcinoma | 12 | 0 | 1 | 0 | |
Adenocarcinoma | 0 | 6 | 26 | 47 | |
Esophagogastric junctional invasion | < 0.001** | ||||
Yes | 6 | 3 | 27 | 0 | |
No | 6 | 3 | 0 | 47 | |
Siewert classification | < 0.001** | ||||
Type I | 2 | 0 | 0 | 0 | |
Type II | 1 | 0 | 15 | 0 | |
Type III | 0 | 0 | 11 | 0 | |
Not applicable | 3 | 12 | 1 | 47 | |
Depth of tumor invasion | 0.025* | ||||
pT1 | 3 | 3 | 4 | 23 | |
pT2 | 0 | 1 | 3 | 7 | |
pT3 | 9 | 2 | 14 | 10 | |
pT4 | 0 | 0 | 6 | 7 | |
Lymph node metastasis | 0.005** | ||||
pN0 | 3 | 3 | 8 | 33 | |
pN1 | 6 | 2 | 6 | 5 | |
pN2 | 2 | 1 | 5 | 6 | |
pN3 | 1 | 0 | 8 | 3 | |
Distant metastasis | < 0.001** | ||||
M0 | 8 | 5 | 12 | 47 | |
M1 | 4 | 1 | 15 | 0 | |
TNM Stage | < 0.001** | ||||
pStage I | 2 | 3 | 4 | 27 | |
pStage II | 2 | 0 | 6 | 11 | |
pStage III | 4 | 2 | 2 | 9 | |
pStage IV | 4 | 1 | 15 | 0 |