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Table 4 Postoperative laboratory data

From: High central venous saturation after cardiac surgery is associated with increased organ failure and long-term mortality: an observational cross-sectional study

 

Group L

Group N

Group H

Number

 

N = 499

N = 3,064

N = 914

 

Lactate, mg/dL

  

*

 

0–6 hours

15.0 (10.0-21.0)

15.0 (10.0-22.0)

22.0* (12.0-50.8)

4,188

6–12 hours

14.0 (10.0-20.0)

14.0 (10.0-21.0)

16.0* (10.0-26.0)

4,254

12–18 hours

11.0 (9.00-15.0)

11.0 (9.00-16.0)

12.0* (9.00-17.0)

4,274

18–24 hours

12.0 (9.00-16.0)

12.0 (9.00-16.0)

12.0 (9.00-16.0)

4,335

Blood glucose, mg/dL

*

   

0–6 hours

142* (123–164)

148 (129–169)

152* (126–184)

4,188

6–12 hours

132* (117–149)

135 (119–153)

137* (119–158)

4,254

12–18 hours

128 (112–146)

131 (116–146)

129 (112–148)

4,254

18–24 hours

136 (118–156)

137 (120–157)

135 (118–158)

4,335

Haemoglobin, g/dL

*

   

POD 0

10.0* (9.30-10.8)

10.3 (9.50-11.1)

10.3 (9.50-11.3)

4,350

POD 1

9.70 (9.10-10.4)

9.70 (9.00-10.5)

9.80 (9.10-10.6)

4,477

POD 2

9.60 (9.10-10.4)

9.70 (9.00-10.4)

9.70 (9.10-10.4)

4,477

POD 3

9.70 (9.20-10.5)

9.80 (9.20-10.6)

9.80 (9.20-10.6)

4,477

Leukocytes, /nL

  

*

 

POD 0

12.0 (9.48-15.4)

12.4 (9.75-15.5)

13.2* (10.1-16.8)

4,171

POD 1

13.1 (10.7-16.6)

13.8 (11.0-16.7)

14.4* (11.3-17.8)

4,413

POD 2

13.6 (11.0-16.9)

14.0 (11.2-17.1)

14.9* (11.6-18.6)

4,439

POD 3

11.9 (9.27-15.0)

11.6 (9.36-14.4)

12.0* (9.50-15.6)

4,446

Procalcitonin, μg/L

  

*

 

POD 0

0.48 (0.48-0.49)

0.58 (0.14-1.41)

1.70 (0.27-5.87)

22

POD 1

1.63 (0.39-3.98)

1.80 (0.56-5.28)

4.19* (1.62-11.8)

194

POD 2

1.06 (0.34-4.90)

1.52 (0.40-5.45)

4.37* (1.50-11.9)

562

POD 3

1.00 (0.34-3.27)

0.90 (0.30-3.57)

3.05* (0.80-8.45)

979

Alanine transaminase, U/L

  

*

 

POD 0

22.0 (16.0-31.0)

22.0 (16.0-33.0)

23.0 (16.0-35.0)

3,999

POD 1

24.0 (17.0-35.0)

23.0 (17.0-35.0)

24.0 (17.0-38.0)

4,336

POD 2

24.0 (18.0-38.0)

24.0 (17.0-35.0)

25.0* (18.0-39.0)

4,389

POD 3

25.5 (18.0-39.0)

24.0 (17.0-36.0)

25.0 (18.0-40.0)

4,401

Creatinine, mg/dL

*

 

*

 

Last preop

1.02* (0.86-1.20)

0.98 (0.83-1.18)

1.08* (0.88-1.35)

4,322

POD 1

1.14* (0.91-1.52)

1.06 (0.86-1.37)

1.19* (0.93-1.73)

4,412

POD 2

1.15* (0.90-1.55)

1.04 (0.82-1.42)

1.20* (0.90-1.77)

4,442

POD 3

1.11* (0.85-1.48)

1.00 (0.80-1.37)

1.16* (0.86-1.70)

4,449

International normalized ratio

*

 

*

 

POD 0

1.31 (1.22-1.43)

1.30 (1.22-1.40)

1.33* (1.23-1.45)

4,153

POD 1

1.27 (1.19-1.37)

1.26 (1.18-1.35)

1.28* (1.20-1.39)

4,412

POD 2

1.26* (1.19-1.37)

1.25 (1.18-1.35)

1.27* (1.19-1.39)

4,437

POD 3

1.24* (1.15-1.34)

1.21 (1.13-1.31)

1.23* (1.14-1.35)

4,445

Creatine kinase MB, U/L

*

 

*

 

POD 0

38.0* (27.0-55.5)

34.0 (26.0-52.0)

38.0* (26.0-61.0)

3,913

POD 1

33.0* (22.0-56.0)

31.0 (22.0-51.0)

33.0* (22.0-58.0)

4,191

POD 2

27.0* (19.0-46.0)

24.0 (17.0-39.0)

25.0 (17.0-43.0)

4,222

POD 3

23.5* (16.0-38.0)

21.0 (15.0-33.0)

21.0 (15.0-35.0)

4,233

  1. Values are presented as median (interquartile range). Significant group differences are displayed as asterisks in columns for groups L (low) and H (high) with reference to group N (normal). Significance per category (for example, lactate) with respect to the given groups over time was assessed by using a non-parametric analysis of longitudinal data in a two-factorial design. POD, postoperative day.