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Table 3 Correlation between small airway function variables and acute exacerbations of asthma

From: Small airway dysfunction links asthma exacerbations with asthma control and health-related quality of life

Variable

Correlation coefficient

P values

R5-R20, kPa×s×L− 1

0.628

< 0.001

AX, kPA/L

0.811

< 0.001

X5, kPA/(L/s)

-0.893

< 0.001

FEF50

-0.246

< 0.001

FEF75

-0.216

< 0.001

FEF25 − 75

-0.249

< 0.001

  1. P < 0.05 indicates that the variable is related to the exacerbation of asthma