Table 1 Group characteristics
|  | <1 L HES | ≥1 L HES |
|---|---|---|
Number of patients | 15 | 25 |
Age (years) | 57 (31–79) | 55 (35–81) |
Operation duration (h) | 3.5 (2–7) | 6 (2–10) |
Bleeding during surgery (mL) | 200 (50–2000) | 700 (70–2500) |
Number of patients receiving blood component therapy (red blood cells, plasma and/or platelets) during surgery | 2 | 10 |
Reoperation due to hematoma | 0 | 0 |