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Table 2 Baseline characteristics of two groups

From: Effects of time delay and body temperature on measurements of central venous oxygen saturation, venous-arterial blood carbon dioxide partial pressures difference, venous-arterial blood carbon dioxide partial pressures difference/arterial-venous oxygen difference ratio and lactate

Variables

Control group (n = 19)

High temperature group (n = 11)

P value

Age (years)

62 ± 17

65 ± 13

0.704

Gender (male/female)

11/8

8/3

0.466

APACHE II scores

21 ± 6

20 ± 5

0.770

Hemoglobin (g/L)

91.9 ± 19.2

103.9 ± 35.5

0.320

White blood cells (109/L)

14.9 ± 8.5

17.2 ± 15.1

0.597

Catecholamine therapy (yes/no)

11/8

6/5

0.858

Sepsis (yes/no)

9/10

7/4

0.389

Surgery (yes/no)

10/9

4/7

0.389

Trauma (yes/no)

1/18

0/11

1.000

PO2 baseline (mmHg)

123 ± 106

107 ± 34

0.551

ScvO2 baseline (mmHg)

67.7 ± 9.4

72.8 ± 7.7

0.140

Patmospheric-vO2 baseline (mmHg)

122.2 ± 5.9

111.9 ± 5.8

0.084

PvCO2 baseline (mmHg)

47.7 ± 11.2

45.2 ± 11.3

0.413

PaCO2 baseline (mmHg)

42.6 ± 12.1

39.1 ± 10.1

0.435

Pv-aCO2 baseline (mmHg)

6.1 ± 2.5

6.0 ± 2.4

0.920

Pv-aCO2/Ca-vO2 baseline

1.7 ± 0.6

1.8 ± 0.5

0.626

Lactate (mmol/L)

1.4 ± 0.8

2.4 ± 2.1

0.149