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Table 5 Relative FEV 1 decline in % predicted during sputum induction

From: Comparison of inflammatory markers in induced and spontaneous sputum in a cohort of COPD patients

 

Exacerbations

Steady state

p*

 

n = 63

n = 390

 
   

0.004

Median (IQR)

12.64(5.56-21.79)

18.75(11.11-25)

 

Mean (SD)

14.80(13.05)

18.51(11.44)

 
  1. *Wilcoxon sign rank test.