Table 2 Perioperative Blood Loss, Fluid Infusion and Blood Transfusion
Air group | N2O group | P value | |
|---|---|---|---|
Intraoperative blood loss (mL) | 200 [125–300] | 200 [100–300] | 0.722 |
Intraoperative fluid infusion (mL) | 500 [400–800] | 540 [400–750] | 0.948 |
No red cell transfusion, N (%) | 5 (7.7) | 4 (5.6) | 0.737 |
Intraoperative red cell transfusion | |||
N (%) | 60 (92.3) | 67 (94.4) | 0.737 |
Volume (mL) | 325 [200–400] | 270 [200–400] | 0.780 |
Exclusively allogeneic transfusion | |||
N (%) | 20 (30.8) | 34 (47.9) | 0.042 |
Volume (mL) | 200 [200–400] | 200 [200–400] | 0.761 |
Exclusively autologous transfusion | |||
N (%) | 7 (10.8) | 6 (8.5) | 0.646 |
Volume (mL) | 130 [128–139] | 123 [109–174] | 0.445 |
Mixed transfusion | |||
N (%) | 33 (50.8) | 27 (38.0) | 0.135 |
Volume (mL) | 349 [327–516] | 350 [325–516] | 0.761 |
Postoperative red cell transfusion | |||
N (%) | 2 (3.1) | 1 (1.4) | 0.606 |