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Table 2 Haemodynamic data for patients with and without post-operative morbidity

From: Changes in central venous saturation after major surgery, and association with outcome

Data class

Complications (n = 64)

No complications (n = 53)

p

Haemodynamic

   

   Baseline heart rate (beats min-1)

82.1 ± 21.4

81.5 ± 15.5

0.87

   Highest heart rate (beats min-1)

100.3 ± 19.9

106.6 ± 22.4

0.11

   Heart rate, 8-hour mean (beats min-1)

86.0 ± 16.3

90.3 ± 16.0

0.15

   Baseline MAP (mmHg)

93.9 ± 19.4

99.6 ± 20.2

0.12

   Lowest MAP (mmHg)

74.5 ± 14.7

76.3 ± 12.8

0.48

   MAP, 8 hour mean (mmHg)

90.8 ± 15.3

92.5 ± 12.9

0.52

   Baseline CI (l min-1 m-2)

3.59 ± 1.39

3.87 ± 1.43

0.30

   Lowest CI (l min-1 m-2)

2.74 ± 0.79

3.25 ± 1.32

0.02*

   CI, 8-hour mean (l min-1 m-2)

3.93 ± 1.07

4.20 ± 1.55

0.30

   Baseline DO2I (ml min-1 m-2)

494 ± 191

541 ± 229

0.26

   Lowest DO2I (ml min-1 m-2)

364 ± 158

445 ± 218

0.02*

   DO2I, 8-hour mean (ml min-1 m-2)

517 ± 206

581 ± 255

0.13

   Baseline stroke volume (ml)

84 ± 30

88 ± 33

0.44

   Lowest stroke volume (ml)

62 ± 25

70 ± 30

0.12

   Stroke volume, 8-hour mean (ml)

70 ± 31

86 ± 32

0.29

ScvO2

   

   Baseline (%)

76.2 ± 9.9

78.7 ± 6.2

0.11

   Lowest (%)

63.4 ± 10.4

67.1 ± 7.7

0.03*

   8-hour mean (%)

73.0 ± 6.6

75.0 ± 5.6

0.09

  1. *Statistically significant difference. Data are presented as means ± SD. CI, cardiac index; DO2I, oxygen delivery index; MAP, mean arterial pressure; ScvO2, central venous saturation.