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Figure 1.

The association between VO2/DO2 and ScvO2. VO2/DO2: oxygen extraction ratio; ScvO2: central venous oxygen saturation.

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Table 1.

Hemodynamic effects of isovolemic anemia. These data have been published earlier [12].

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Table 1 Expand

Table 2.

Descriptives (Median±IQR).

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Table 2 Expand

Figure 2.

Correlation between oxygen balance parameters and CO2-gap.

cvCO2-gap and VO2/DO2 and ScvO2 (on the left); vCO2-gap and VO2/DO2 and ScvO2 (on the right). cvCO2-gap: central venous-to-arterial carbon dioxide difference; VO2/DO2: oxygen extraction ratio; ScvO2: central venous oxygen saturation; vCO2-gap: mixed venous-to-arterial carbon dioxide difference.

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Figure 2 Expand

Figure 3.

Correlation between tissue oxygenation and oxygen balance parameters.

P(cv-a)CO2/C(a-cv)O2 and VO2/DO2 and ScvO2 (on the left); P(v-a)CO2/C(a-v)O2 and VO2/DO2 and ScvO2 (on the right).P(cv-a)CO2/C(a-cv)O2: the central venous-to-arterial pCO2 difference divided by the difference of the arterio-venous oxygen content; VO2/DO2: oxygen extraction ratio; ScvO2: central venous oxygen saturation; P(v-a)CO2/C(a-v)O2: the mixed venous-to-arterial pCO2 difference divided by the difference of the arterio-venous oxygen content.

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Figure 3 Expand

Table 3.

ROC analysis for determining VO2/DO2>30%.

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Table 3 Expand