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Annals of Intensive Care

Table 2 Correlations between physiological parameters before and after extubation

From: Physiological predictors of respiratory and cough assistance needs after extubation

 

VC

Before extubation

FVC

Before extubation

MIP

Before extubation

MEP

Before extubation

PEF

Before extubation

PECF

Before extubation

VC

After extubation

 R

0.61

     

 P value

< 0.0001

     

FVC

After extubation

 R

 

0.89

    

 P value

 

< 0.0001

    

MIP

After extubation

 R

  

0.70

   

 P value

  

< 0.0001

   

MEP

After extubation

 R

   

0.66

  

 P value

   

< 0.0001

  

PEF

After extubation

 R

    

0.60

 

 P value

    

< 0.0001

 

PCEF

After extubation

 R

     

0.58

 P value

     

< 0.0001

  1. For each parameter, the table shows the correlation coefficient and P value
  2. Italics indicate significant data
  3. VC vital capacity, FVC forced vital capacity, MIP maximal inspiratory pressure, MEP maximal expiratory pressure, PEF peak expiratory flow, PCEF peak cough expiratory flow
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