Table 1.
Clinical and surgical characteristics of patients.
| RV | IVC level I | IVC level II | IVC level III | p | |
|---|---|---|---|---|---|
| Patients (n) | 93 | 49 | 21 | 6 | |
| Male (%) | 75.3 (70/93) | 59.2 (29/49) | 71.4 (15/21) | 83.3 (5/6) | 0.219 |
| Age (year) | 59.5 ± 9.7 | 54.4 ± 12.1 | 55.1 ± 10.2 | 54.7 ± 10.0 | 0.03 |
| Symptoms | 0.491 | ||||
| Yes | 59 | 36 | 15 | 3 | |
| No | 34 | 13 | 6 | 3 | |
| Tumor position | <0.001 | ||||
| Left | 60 | 11 | 2 | 3 | |
| Right | 33 | 38 | 19 | 3 | |
| Operation time (hour) | <0.001 | ||||
| Median | 3.0 | 4.0 | 7.8 | 8.8 | |
| Range | 1.4–6.5 | 2.0–12.0 | 4.5–11.5 | 7.5–13.0 | |
| Blood loss (mL) | <0.001 | ||||
| Median | 400 | 700 | 3000 | 2700 | |
| Range | 30–6850 | 100–12800 | 500–12000 | 1800–4000 | |
| Blood transfusion (mL) | <0.001 | ||||
| Median | 0 | 350 | 1550 | 2700 | |
| Range | 0–4250 | 0–6500 | 0–7400 | 1900–10000 |