Table 2.
Perioperative factors.
| Total | <80 years | ≥80 years | P | |
|---|---|---|---|---|
| N (%) | 304 | 284 (93.4) | 20 (6.6) | |
| Operative time (min) | ||||
| Mean ± SD | 418.0 ± 106.1 | 423.1 ± 105.9 | 349.8 ± 84.5 | 0.003 |
| Median | 410.0 | 410.0 | 335.0 | |
| Range | 190.0–970.0 | 230.0–970.0 | 190.0–500.0 | |
| Intraoperative blood loss (ml) | ||||
| Mean ± SD | 584.5 ± 543.6 | 585.6 ± 546.9 | 569.0 ± 507.6 | 0.895 |
| Median | 500.0 | 500.0 | 475.0 | |
| Range | 30.0–6,500.0 | 30.0–6,500.0 | 90.0–2,400.0 | |
| Perioperative transfusion n (%) | 0.193 | |||
| Yes | 39 (17.8) | 34 (16.8) | 5 (29.4) | |
| No | 180 (82.2) | 168 (83.2) | 12 (70.6) | |
| Perioperative transfusion (units of PRBCs) | ||||
| Mean ± SD | 3.4 ± 4.2 | 3.5 ± 4.5 | 2.6 ± 1.3 | 0.662 |
| Median | 2.0 | 2.0 | 2.0 | |
| Range | 1.0–27.0 | 1.0–27.0 | 1.0–4.0 | |
| Vein resection (%) | 0.767 | |||
| Yes | 165 (80.1) | 155 (80.3) | 10 (76.9) | |
| No | 41 (19.9) | 38 (19.7) | 3 (23.1) | |