Table 1.
Comparison of clinicopathological factors and surgical data between the D2 and D2 plus group
| Clinicopathological factors | D2 radical surgery (32 cases) |
D2 plus radical surgery (32 cases) |
P value |
|---|---|---|---|
| Gender | 0.564 | ||
| Male | 25 | 23 | |
| Female | 7 | 9 | |
| Age (years) | 0.522 | ||
| > 50 | 27 | 25 | |
| ≤ 50 | 5 | 7 | |
| Tumor location | 0.554 | ||
| Lower third | 30 | 31 | |
| Middle third | 2 | 1 | |
| Histological type | 0.688 | ||
| Adenocarcinoma | |||
| Poor differentiation | 13 | 15 | |
| Well-moderate differentiation | 16 | 14 | |
| Signet ring cell carcinoma | 2 | 3 | |
| Mucinous adenocarcinoma | 1 | 0 | |
| TNM stage | 0.157 | ||
| II | 11 | 6 | |
| III | 21 | 26 | |
| Reconstruction | 0.069 | ||
| Billroth I | 22 | 14 | |
| Billroth II | 8 | 17 | |
| Roux-en-Y | 2 | 1 | |
| Operation time (min) | 163.3 ± 59.1 | 179.6 ± 60.7 | 0.351 |
| Blood loss (ml) | 158.7 ± 70.4 | 181.3 ± 86.0 | 0.436 |
| Number of LNs | 34.8 ± 11.4 | 39.4 ± 12.0 | 0.217 |
| Positive LNs | 4.5 ± 8.5 | 6.5 ± 7.9 | 0.509 |
| Postoperative complications | 0.785 | ||
| Pulmonary infection | 1 | 1 | |
| Wound infection | 0 | 2 | |
| Anastomotic leakage | 1 | 1 | |
| Pancreatic fistula | 0 | 1 | |
| Ascites | 1 | 4 | |
| Hospital stay (days) | 9.8 ± 2.5 | 10.5 ± 1.7 | 0.768 |