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Table 3 Cytological analysis of BAL samples

From: Acute exacerbations of COPD are associated with significant activation of matrix metalloproteinase 9 irrespectively of airway obstruction, emphysema and infection

Cell type

Stable COPD

AE-COPD

p value

Quantitative differential cell count

n = 31

n = 22

 

% of total cells ± SEM

   

macrophages

68.69 ± 5.44

57.72 ± 6.75

0.357

neutrophils

26.50 ± 5.58

33.84 ± 6.98

0.582

lymphocytes

5.08 ± 0.67

6.08 ± 1.16

0.828

eosinophils

0.26 ± 0.09

2.20 ± 1.05

0.095

  1. AE-COPD acute exacerbations of COPD, n number of patients, SEM standard error of the mean