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Table 2 Univariable Cox proportional hazards model of liver parameters before ECMO implantation

From: Liver function predicts survival in patients undergoing extracorporeal membrane oxygenation following cardiovascular surgery

  

30-day mortality

Long-term mortality

Baseline parameters

SD

HR (95 % CI)

P value

HR (95 % CI)

P value

Alkaline phosphatase, U/L

68.9

1.23 (1.02–1.50)

0.035

1.14 (0.95–1.38)

0.16

Bilirubin total, mg/dl

2.0

1.16 (1.02–1.32)

0.028

1.15 (1.02–1.30)

0.028

Aspartate transaminase, U/L

303.5

1.08 (0.92–1.27)

0.36

1.06 (0.91–1.23)

0.45

Alanine transaminase, U/L

192.0

1.07 (0.90–1.27)

0.45

1.04 (0.90–1.21)

0.60

AST/ALT ratio, n

1.9

0.97 (0.78–1.21)

0.81

0.95 (0.80–1.12)

0.51

γ-Glutamyl transferase, U/L

133.3

1.07 (0.87–1.32)

0.54

1.10 (0.94–1.29)

0.22

Albumin, g/L

8.7

0.83 (0.68–1.01)

0.06

0.86 (0.74–1.00)

0.049

Normotest, %

30.0

1.02 (0.82–1.26)

0.87

1.06 (0.90–1.24)

0.50

  1. ALT alanine aminotransferase, AST aspartate aminotransferase, CI confidence interval, HR hazard ratio, SD, standard deviation
  2. Hazard ratios refer to a 1-SD increase and/or decrease in continuous variables