Table 2 Comparison of baseline perioperative and donor data between patients undergoing liver transplantation assigned to 28% and 80% postoperative FiO₂

Retransplantation

2 (2.0%)

4 (4.3%)

.435

Caval anastomosis:

.675

 Piggyback

87 (87.9%)

80 (85.1%)

 Conventional

12 (12.1%)

14 (14.9%)

Veno-venous bypass

17 (17.2%)

16 (17.0%)

> .999

Biliary anastomosis

.692

 Duct-to-duct

85 (85.9%)

78 (83.0%)

 Hepaticojejunostomy

14 (14.1%)

16 (17.0%)

Operative time (minutes)

370 (330–420)

363 (330–430)

.591

Extubation

.450

 Early

84 (84.8%)

75 (79.8%)

 Late

15 (15.2%)

19 (20.2%)

Cold ischemic time (minutes)

480 (422–558)

480 (415–535)

.439

Warm ischemic time (minutes)

50 (42–64)

53 (45–64)

.337

Intraoperative PRBC transfusions (units)

3 (0–6)

4 (1–7)

.294

Intraoperative FFP transfusions (units)

4 (0–6)

4 (2–7)

.070

Intraoperative dialysis

3 (3.0%)

4 (4.3%)

.715

Donor age (years)

49 (37–58)

48 (38–59)

.966

Male donor sex

62 (62.6%)

55 (58.5%)

.659

 Steroids

99 (100%)

94 (100%)

-

 Tacrolimus

97 (98.0%)

90 (95.7%)

.435

 Mycophenolate mofetil

49 (49.5%)

45 (47.9%)

.886

 Basiliximab

72 (72.7%)

67 (71.3%)

.873

 PaO₂ (mmHg)

103 (89–122)

311 (255–364)

< .001

 PaCO₂ (mmHg)

41 (36–46)

41 (36–46)

.933

 pH

7.38 (7.33–7.41)

7.36 (7.33–7.41)

.470

 Oxygen saturation (%)

98.6 (97.5–99.0)

99.7 (99.5–99.9)

< .001

 Lactate concentration (mmol/L)

1.8 (1.1–2.7)

1.9 (1.4–2.6)

.217