Table 2.
Comparison of intraoperative and postoperative conditions among two groups.
| Variables | DTR (n = 60) | ENGC (n = 58) | χ2/t/Z | p |
|---|---|---|---|---|
| Volume of the gastric specimen | −8.629 | 0.000 | ||
| ≥2/3 | 50 | 2 | ||
| ½ | 10 | 46 | ||
| ≤1/3 | 0 | 10 | ||
| Upper cutting margins (cm) | 2.3 ± 1.6 | 2.6 ± 1.7 | −1.056 | 0.293 |
| Lower cutting margins (cm) | 7.1 ± 2.2 | 5.1 ± 1.6 | 5.585 | 0.000 |
| Operative approach | 7.284 | 0.007 | ||
| Abdominal approach | 40 | 20 | ||
| Left combined thoracoabdominal approach | 20 | 29 | ||
| Operation time (min) | 143.9 ± 20.2 | 152.1 ± 26.8 | −1.869 | 0.064 |
| Intraoperative blood loss (ml) | 128.0 ± 81.7 | 150.7 ± 68.4 | −1.663 | 0.105 |
| Tumor size (cm) | 3.6 ± 1.1 | 3.8 ± 1.3 | −1.102 | 0.273 |
| pT | −1.146 | 0.252 | ||
| T1 | 5 | 3 | ||
| T2 | 31 | 26 | ||
| T3 | 20 | 24 | ||
| T4 | 4 | 5 | ||
| pN | −0.391 | 0.696 | ||
| N0 | 31 | 32 | ||
| N1 | 20 | 18 | ||
| N2 | 7 | 7 | ||
| N3 | 2 | 1 | ||
| First anal exhaust time (d) | 3.4 ± 1.1 | 2.8 ± 1.3 | 2.524 | 0.013 |
| Postoperative hospital stay (d) | 10.7 ± 1.7 | 10.2 ± 2.7 | 1.718 | 0.088 |