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Table 2 Influence of HBE on MAP and ScvO2.

From: The effects of the semirecumbent position on hemodynamic status in patients on invasive mechanical ventilation: prospective randomized multivariable analysis

 

HBE (mean (SD))

P valuesa

 

0°

30°

45°

Global (0° vs. 30°; 0° vs. 45°; 30° vs. 45°)

MAP (mmHg)

83.8 (14.5)

75.1 (13.1)

71.1 (15.2)

<0.001 (<0.001; <0.001; <0.001)

ScvO2 (%)

76.1 (8.0)

75.6 (8.2)

74.3 (9.0)

<0.001 (0.26; <0.001; 0.001)

  1. HBE, head of bed elevation; MAP, mean arterial pressure; ScvO2, central venous oxygen saturation.
  2. aAccording to Proc Mixed with Tukey-Kramer adjusted P values for pairwise comparisons.
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Critical Care

ISSN: 1364-8535