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Table 3 Explanatory variables in simple and multiple logistic regression

From: Potential of cell-free hemoglobin and haptoglobin as prognostic markers in patients with ARDS and treatment with veno-venous ECMO

Variable

Simple logistic regression

Multiple logistic regression

OR [95% CI]

P value

OR [95% CI]

P value

CFH grouping

3.77 [2.51–5.72]

< 0.001

2.17 [1.11–4.32]

0.025

Hp grouping

0.29 [0.19–0.43]

< 0.001

0.47 [0.24–0.92]

0.029

BMI

1.00 [0.99–1.02]

0.740

0.96 [0.92–1.00]

0.080

pH at ECMO initiation

0.06 [0.01–0.33]

0.002

0.08 [0.01–1.27]

0.080

  1. CFH cell-free hemoglobin, Hp haptoglobin, BMI body mass index, OR odds ratio, CI confidence interval. Eliminated variables: CCI, inhaled nitric oxide, septic shock, RRT, PRBC units, ARDS etiology, lactate, SOFA, APACHE, SAPS, RASS, pO2, PIP, Pplat, PEEP and compliance at ECMO initiation