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Table 2 Operation outcomes and long-term outcomes of the two groups
| Parameters | Group A (n = 42) | Group B (n = 42) | P-value |
|---|---|---|---|
| Operation time, min, median (range) | 490.0 (360.0–920.0) | 470 (280.0–650.0) | 0.067 |
| Time to vein reconstruction, min, median (range) | 52.5 (40.0–80.0) | 45.0 (30.0–70.0) | < 0.001 |
| Intraoperative blood loss, ml, median (range) | 650.0 (350.0–1650.0) | 450.0 (250.0–1350.0) | 0.108 |
| Lymph node retrieved | 18.5 (7.0–50.0) | 18.0 (6.0–46.0) | 0.278 |
| Length of vein resected, cm, median (range) | 3.0 (2.0–6.0) | 2.0 (1.0–4.0) | < 0.001 |
| R1 rate of PV/SMV | 2 (4.8) | 6 (14.3) | 0.137 |
| Postoperative complications, case (%) | |||
| Pancreatic fistula | 6 (14.3) | 8 (19.0) | 0.558 |
| Bleed | 2 (4.8) | 2 (4.8) | 1.000 |
| Delayed gastric emptying | 5 (11.9) | 4 (9.5) | 0.724 |
| Portal vein thrombosis | 0 | 1 (2.4) | 0.314 |
| OS, % | 0.501 | ||
| 1-year OS | 62.9 | 57.0 | |
| 2-year OS | 31.5 | 25.6 | |
| 3-year OS | 0 | 0 | |
| DFS, % | 0.502 | ||
| 1-year DFS | 43.9 | 36.6 | |
| 2-year DFS | 10.5 | 7.4 |
