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Table 4 Multivariable analysis of validation cohort: University of Chicago

From: Bedside estimates of dead space using end-tidal CO2 are independently associated with mortality in ARDS

Mortality

Odds ratio

P value

[95% conf. interval]

Arterial-ET difference

1.03

0.031

1.01

1.06

Age

1.02

0.012

1.01

1.04

APACHE II

1.07

< 0.001

1.04

1.10

Vasopressor requirement

 

0.029

 

Ventilator mode*

   

Assist control

–

–

–

APRV

897,712.43

0.992

8.55 × 10–102–NA

Pressure control

8,997,732.21

0.984

6.72 × 10–49–NA

Pressure support

8,997,732.21

0.992

2.08 × 10−02–NA

SIMV

38.97

0.410

0.0193–2.75

  1. Arterial-ET Difference arterial end-tidal CO2 difference, APACHE acute physiology and chronic health evaluation
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Critical Care

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