Table 3: Forced Cough Expiratory Flow results. Mean and highest record: mean and highest value of the three series of forced cough peak expiratory flow before extubation.

 

Cough Expiratory Flow

All Patients

Successful Extubation (n = 90)

Failed Extubation (n = 11)

P Value

Median (L/min) SD

Median (L/min) SD

Median (L/min) SD

Mean Record

29 21.44

30.15 20.74

3.30 26.61

0.21

Highest Record

33 24.28

33 23.73

10 29.49

0.55