| Factors | Group A (n = 12) | Group B (n = 12) | P value | |
| Male/Female | 8/4 | 7/5 | 0.5000 | |
| Age (years) | 65.1 (40 - 79) | 64.8 (33 - 78) | 0.5000 | |
| Depth of cancer invasion |
|
|
| |
| Mucosa | 50.0% (6/12) | 58.3% (7/12) | 0.5000 | |
| Submucosa | 25.0% (3/12) | 25.0% (3/12) |
| |
| Muscularis propria | 25.0% (3/12) | 16.7% (2/12) |
| |
| Lymph node metastasis |
|
|
| |
| No | 100% (12/12) | 100% (12/12) |
| |
| Pathological stage |
|
|
| |
| Stage IA | 75.0% (9/12) | 73.3% (10/12) | 0.5000 | |
| Stage IB | 25.0% (3/12) | 26.7% (2/12) |
| |
| Lymph node resection |
|
|
| |
| D1 | 75.0% (9/12) | 73.3% (10/12) | 0.5000 | |
| D1 + α | 25.0% (3/12) | 26.7% (2/12) |
| |
| PHCV preservation |
|
|
| |
| Preservation | 100% (12/12) | 100% (12/12) |
| |
| No preservation | 0% (0/12) | 0% (0/12) |
| |
| Resected stomach |
|
|
| |
| 2/3 | 100% (12/12) | 100% (12/12) |
| |
| Length of antral cuff (mean ± SD cm) |
|
|
| |
| 3.1 ± 0.4 | 2.0 ± 0.5 | <0.0001 | ||
| Past history |
|
|
| |
| No | 100% (12/12) | 100% (12/12) |
| |
| Postoperative complication |
|
|
| |
| Wound infection | 0% (0/12) | 8.3% (1/12) | 0.5000 | |
| Postoperative chemotherapy (6 months after operation) |
|
|
| |
| No | 75.0% (9/12) | 83.3% (10/12) | 0.5000 | |