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Table 3 Results of multivariate analyses for prediction of respiratory system compliance (A) and ventilatory ratio (B) at days 1 and 7

From: Longitudinal changes in compliance, oxygenation and ventilatory ratio in COVID-19 versus non-COVID-19 pulmonary acute respiratory distress syndrome

 

CRS at day 1

CRS at day 7

Estimate

Std. Error

p value

Estimate

Std. Error

p value

(A)

      

 COVID-19 versus non-COVID-19

4.250

1.512

0.005

2.460

3.224

0.447

 PEEP

0.726

0.180

< 0.001

0.671

0.300

0.027

 PaO2/FiO2

0.020

0.009

0.020

0.057

0.018

0.002

 

VR at day 1

VR at day 7

Estimate

Std. Error

p value

Estimate

Std. Error

p value

(B)

      

 COVID-19 versus non-COVID-19

− 0.691

0.117

< 0.001

− 0.135

0.263

0.608

 PEEP

0.022

0.009

0.021

0.051

0.015

0.001

 PaO2/FiO2

− 0.002

0.001

< 0.001

− 0.004

0.001

< 0.001

 Heated humidifier versus HME

− 0.468

0.136

0.001

− 0.374

0.279

0.182

  1. CRS, respiratory system compliance; PEEP, positive end-expiratory pressure; VR, ventilatory ratio; PaO2, partial pressure of arterial oxygen; FiO2, fraction of inspired oxygen; HME, heat and moisture exchanger