| No AKI (N = 657) | AKI (N = 412) | P |
---|---|---|---|
Demographic data | |||
 Male | 394(60.0) | 273(66.3) | 0.039 |
 Age (year) | 61.8 ± 8.1 | 61.7 ± 8.3 | 0.936 |
Medical history | |||
 Hypertension | 294(44.7) | 184(44.7) | 0.977 |
 DM | 102(15.5) | 70(17.0) | 0.526 |
 NYHA classification 3–4 | 465(70.8) | 339(82.3) | < 0.001 |
Laboratory values | |||
 Hemoglobin (g/L) | 131.6 ± 14.2 | 131.1 ± 16.1 | 0.555 |
 Albumin(g/L) | 40.3 ± 3.6 | 40.0 ± 3.6 | 0.187 |
Kidney function | |||
 Serum creatinine (mg/dl) | 81.3 ± 25.1 | 84.5 ± 23.8 | 0.038 |
 eGFR (ml/min/1.73m2) | 83.9 ± 18.7 | 82.8 ± 21.3 | 0.395 |
 eGFR< 60 ml/min/1.73m2 | 54(8.4) | 50(12.1) | 0.048 |
Angiographic values | |||
 Interval between angiography and surgery (day) | 4.5 ± 3.3 | 4.1 ± 3.0 | 0.048 |
 aContrast media dose (ml/kg) | 285(243,341) | 280(238,347) | 0.696 |
 Contrast media dose> 240 (ml/kg) | 434(66.1) | 302(73.3) | 0.040 |
Surgical data | |||
 Valve | 427(65.0) | 305(74.0) | < 0.001 |
 CABG | 205(31.2) | 77(18.7) | < 0.001 |
 Valve & CABG | 25(3.8) | 30(7.3) | 0.026 |
 CPB utilization | 443(67.3) | 319(77.4) | < 0.001 |
 aCPB time (min) | 83(67,109) | 100(77,132) | < 0.001 |
 bErythrocyte transfusion | 296(44.6) | 223(54.1) | 0.04 |
Prognosis | |||
 RRT | 3(0.5) | 17(4.1) | < 0.001 |
 In-hospital mortality | 0 | 3(0.7) | 0.029 |
 aLength of ICU stay (day) | 32(21,63) | 47(26,90) | < 0.001 |
 aLength of hospital stay (day) | 12(10,15) | 13(11,17) | 0.003 |