Table 2. Comparison of oncological evaluation of radical surgery between LTG and OTG groups.
| Tumor parameters | LTG group (n=23) | OTG group (n=46) | P value |
|---|---|---|---|
| Distal margin (cm) | 10.0 (8.0, 12.0) | 10.0 (6.5, 12.0) | 0.692 |
| Proximal margin (cm) | 2.5 (1.5, 5.0) | 2.5 (1.5, 5.0) | 1.000 |
| The number of resected LNs | 37.0 (23.0, 42.0) | 32.0 (25.0, 38.0) | 0.356 |
| The number of metastatic LNs | 1.0 (0.0, 2.0) | 0.0 (0.0, 3.0) | 0.469 |
| Resected LNs of No. 1-6 | 25.0 (10.0, 34.0) | 22.5 (16.0, 30.0) | 0.914 |
| Metastatic LNs of No. 1-6 | 0.0 (0.0, 1.0) | 1.0 (0.0, 2.0) | 0.638 |
| Resected LNs of No. 7-9 | 8.0 (7.0, 11.0) | 7.0 (5.0, 9.0) | 0.082 |
| Metastatic LNs of No. 7-9 | 0.0 (0.0, 0.0) | 0.0 (0.0, 0.0) | 0.313 |
| Resected LNs of No. 11p, 12a | 2.0 (1.0, 3.0) | 1.0 (0.0, 2.0) | 0.107 |
| Metastatic LNs of No. 11p, 12a | 0.0 (0.0,0.0) | 0.0 (0.0, 0.0) | 0.753 |
Continuous variates were presented as median (IQR) based on Mann-Whitney U test unless otherwise noted. LNs, lymph nodes; LTG, laparoscopic total gastrectomy; OTG, open total gastrectomy.