Table 3 Postoperative continuous variables

SAP

Systolic arterial pressure (mmHg)

132

23

130

24

n.s.

DAP

Diastolic arterial pressure (mmHg)

70.2

14

69.8

13

n.s.

MAP

Mean arterial pressure (mmHg)

90.9

16

90.2

16

n.s.

CVP

Central venous pressure (mmHg)

8.59

3.4

8.57

3.3

n.s.

FiO₂

Fraction of inspired O₂

0.533

0.072

0.530

0.075

n.s.

pH

Potential of hydrogen

7.45

0.06

7.45

0.06

n.s.

PaCO₂

Partial pressure of arterial CO₂ (mmHg)

35.3

5.4

35.5

5.3

n.s.

HCO₃

HCO₃ arterial level (mmol/l)

24.9

2.3

25.0

2.3

n.s.

AaO₂

Alveolar-arterial O₂ gradient (mmHg)

187

65

188

69

n.s.

Post-HCT

Hematocrit (%)

29.7

4.6

29.9

4.2

n.s.

K

Potassium (mEq/l)

4.05

0.49

4.06

0.50

5↑

Gly

Glycaemia (mmol/l)

170

54

172

54

n.s.

Temp

Body temperature (°C)

35.4

0.89

35.3

0.92

n.s.

WBC

White blood cells (nl^-1)

12.2

4.5

12.6

4.3

n.s.

Hb

Hemoglobin (g/dl)

9.85

1.5

9.90

1.4

n.s.

PaO₂

Partial pressure of arterial O₂ (mmHg)

149

39

145

40

n.s.

SaO₂

Arterial oxygen saturation (%)

98.5

1.6

98.4

1.7

n.s.

PvO₂

Partial pressure of venous O₂ (mmHg)

32.7

4.6

33.1

4.7

32↓

SvO₂

Venous O₂ saturation (%)

63.5

6.9

64.1

7.0

62.5↓

CaO₂

Arterial O₂ content (ml/dl)

13.0

1.9

13.0

1.8

n.s.

CvO₂

Venous O₂ content (ml/dl)

8.41

1.7

8.54

1.7

8↓

AVO₂

Artero-venous O₂ difference (ml/dl)

4.60

1.0

4.52

1.0

5↑

Post-CI

Cardiac index at ICU (l/min/m²)

2.63

0.65

2.61

0.66

2.5↓

SVI

Stroke volume index (ml/m²)

29.4

8.2

29.0

8.2

28↓

DO₂I

O₂ delivery index (ml/min/m²)

344

93

344

97

320↓

O₂ER

O₂ extraction ratio (%)

35.3

7.0

34.6

7.2

40↑

RI

Respiratory Index (AaO₂/PaO₂)

1.46

0.93

1.52

1.01

n.s.

P/F

PaO₂/FiO₂ ratio (mmHg)

283

81

280

85

n.s.

VCO₂

CO₂ production (ml/min)

191

50

187

50

200↓

VO₂

O₂ consumption (ml/min)

224

59

219

59

220↓

SVRI

Systemic vascular resistance index (MPa·s/m)

265

83

265

85

280↑