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Table 6 Multivariate logistic regression model on high-risk patients (MAP <65) in the 45° position.

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

  OR (95% CI)a P value
Norepinephrine (μg/kg/min) 1.03b (1.01, 1.06) 0.023
PEEP 1.13 (1.02, 1.26) 0.019
Backrest elevation (°) 0.93 (0.88, 0.98) 0.005
Ventilation mode c 2.33 (1.16, 4.69) 0.017
  1. aOdds ratio and 95% confidence interval.
  2. bPer 0.01 unit change.
  3. cSpontaneous (0), controlled (1).
  4. PEEP, positive end-expiratory pressure.