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Table 4 Odds ratios of mortality at discharge

From: Extracorporeal membrane oxygenation for life-threatening asthma refractory to mechanical ventilation: analysis of the Extracorporeal Life Support Organization registry

Variables

Univariate analysis

Multivariate analysis

OR (95% CI)

p

OR (95% CI)

p

Age

1.05 (1.02–1.07)

< 0.001

1.05 (1.01–1.08)

0.012

Mechanical complications

2.73 (1.39–5.34)

0.003

  

Bleeding

4.21 (2.16–8.18)

< 0.001

2.97 (1.07–8.24)

0.036

Dialysis

2.41 (1.19–4.90)

0.015

  

Pre-ECMO PEEPa, cmH2O

1.10 (1.03–1.18)

0.003

1.10 (1.01–1.20)

0.027

Pre-ECMO pHa

7.57 (1.04–55.29)

0.046

  

Post-ECMO Fio2b, %

1.02 (1.01–1.04)

0.006

1.03 (1.00–1.05)

0.034

Post-ECMO PIPb, cmH2O

1.08 (1.03–1.14)

0.001

  

Post-ECMO driving pressureb, cmH2O

1.08 (1.03–1.13)

0.003

1.08 (1.02–1.15)

0.011

  1. OR Odds ratio, CI confidential interval, ECMO extracorporeal membrane oxygenation, PEEP positive end-expiratory pressure, FiO 2 fraction of inspired oxygen saturation, PIP peak inspiratory pressure
  2. aThe worst values in the previous 6 h were collected
  3. bThe best values in the last 24 h were collected