Table 2 Main outcome parameters: primary and secondary outcomes in the population; early postoperative indicators including SAPS3 score upon ICU admission and pertinent lab values (SAPS 3: simplified acute physiology score III; CPB: cardiopulmonary bypass; PRBC: packed red blood cells; AKI: acute kidney injury; KDIGO: kidney disease: improving global outcomes)

Deceased with 30 days after Surgery (n (%))

0 (0)

0 (0)

na

Deceased within one year after Surgery (n (%))

17 (2.6)

2 (2.6)

1.000

Deceased during the observation period (n (%))

43 (6.7)

5 (6.5)

1.000

SAPS 3 (median [IQR])

38.00 [33.00, 43.00]

41.00 [37.00, 47.00]

0.001

Cross Clamp Time (min.) (median [IQR])

52.50 [37.00, 68.75]

49.00 [33.00, 61.00]

0.049

CPB Time (min) (median [IQR])

97.50 [71.25, 125.00]

91.00 [67.00, 110.00]

0.059

Hs TnT d0 (ng/L) (median [IQR])

832.00 [516.25, 1320.00]

1025.00 [593.00, 1676.00]

0.077

Hs TnT d1 (ng/L) (median [IQR])

515.00 [308.50, 828.00]

725.50 [424.25, 1235.00]

< 0.001

Days of stay at the ICU (median [IQR])

3.04 [2.04, 4.17]

3.75 [2.75, 4.92]

0.453

Lactate avg. d0 (mmol/l) (median [IQR])

1.51 [1.31, 1.78]

1.52 [1.36, 1.78]

0.559

Lactate avg. d1 (mmol/l) (median [IQR])

1.24 [1.06, 1.45]

1.29 [1.10, 1.44]

0.701

Hematocrit min. d0 (%) (median [IQR])

26.00 [23.00, 30.00]

26.00 [22.00, 29.00]

0.365

Hematocrit min. d1 (%) (median [IQR])

28.00 [24.00, 31.00]

26.00 [23.00, 29.00]

0.002

Hemoglobin min. d0 (g/dl) (median [IQR])

8.90 [7.80, 10.10]

8.80 [7.60, 9.70]

0.285

Hemoglobin min. d1 (g/dl) (median [IQR])

9.20 [8.00, 10.20]

8.70 [7.88, 9.93]

0.108

PRBC d0 (median [IQR])

0.00 [0.00, 0.00]

0.00 [0.00, 0.00]

0.829

PRBC d1 (median [IQR])

0.00 [0.00, 0.00]

0.00 [0.00, 0.00]

0.825

Severe AKI (KDIGO ≥ 3) (n (%))

12 (1.9)

2 (2.6)

0.994