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Annals of Intensive Care

Table 3 Correlation of previous response to prone positioning or PEEP levels with the outcome label for each of the outcomes

From: Predicting responders to prone positioning in mechanically ventilated patients with COVID-19 using machine learning

Outcome

Correlation responder

Correlation PEEP

Composite, relative 10%

− 0.020

− 0.017

Composite, absolute

− 0.027

− 0.007

PaO2/FiO2 ratio, relative 10%

0.063

0.027

PaO2/FiO2, absolute

0.152

0.027

Ventilatory ratio, relative 10%

− 0.013

− 0.007

Mechanical power, relative 10%

0.068

0.009

Compliance, relative 10%

0.117

− 0.026

  1. Relative indicates a relative improvement of 10% in PaO2/FiO2 ratio, while absolute indicates an improvement of 20 mmHg
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