Table 2.
Comparison of intraoperative recipient and donor clinical factors between the non-AKI and AKI groups.
| Group | Non-AKI | AKI | p |
|---|---|---|---|
| n | 472 | 145 | |
| Intraoperative recipient factor | |||
| Surgical duration (min) | 505 (450–570) | 510 (455–584) | 0.435 |
| Postreperfusion syndrome | 245 (51.9%) | 83 (57.2%) | 0.260 |
| Average of vital signs | |||
| MBP (mmHg) | 76.3 (70.5–83) | 75 (68.4–82) | 0.038 |
| HR (beats/min) | 88 (80–99) | 92 (82–102) | 0.035 |
| CVP (mmHg) | 9 (7.1–10.8) | 9.3 (7.1–11.5) | 0.397 |
| Mean lactate (mmol/L) | 3.7 (2.8–4.8) | 3.7 (2.8–5.5) | 0.732 |
| Blood product transfusion (unit) | |||
| Packed red blood cell | 6 (3–12) | 10 (6–15) | <0.001 |
| Fresh frozen plasma | 6 (4–10) | 10 (6–13) | <0.001 |
| Platelet concentrate | 3 (0–10) | 6 (0–12) | 0.019 |
| Hourly fluid infusion (mL/kg/h) | 10.2 (7.6–13.3) | 10.7 (8.1–14.3) | 0.253 |
| Hourly urine output (mL/kg/h) | 1.5 (0.8–2.3) | 1.1 (0.5–1.8) | <0.001 |
| Donor-graft factor | |||
| Age (years) | 32 (25–43) | 32 (24–48) | 0.606 |
| Sex(male) | 256 (61%) | 69 (63.3%) | 0.653 |
| GRWR (%) | 1.2 (1–1.4) | 1.2 (1–1.4) | 0.105 |
| Graft ischemic time (min) | 90 (70–117) | 101 (79–148) | <0.001 |
| Warm ischemic time (min) | 31 (26–42) | 35 (27–45) | 0.266 |
| Cold ischemic time (min) | 50 (36–78) | 70 (39–130) | 0.012 |
| Fatty change (%) | 5 (1–5) | 4 (0–5) | 0.540 |
Abbreviations: AKI, acute kidney injury; CVP, central venous pressure; GRWR, graft recipient weight ratio; HR, heart rate; MBP, mean blood pressure. NOTE: Values are medians (interquartile ranges) or numbers (percentages), unless indicated otherwise.