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Table 2 Patterns of inflammatory markers within clinical diagnosis groups. Results are expressed in means (SD).

From: Patterns of inflammation and the use of reversibility testing in smokers with airway complaints

Compartment

Inflammatory markers

COPD

Asthma

CB

HS

Sputum cell counts

Volume (ml)

6.7 (0.86)

6.9 (0.95)

6.8 (0.93)

3.4 (0.42)

 

Total counts (106 cells/ml)

4.3 (0.80)

2.3 (0.91)

2.0 (0.5)

4.0 (0.99)

 

Neutrophils (%)

81.3* (12.2)

49.0* (25.2)

56.6 (23.2)

62.4 (16.5)

 

Eosinophils (%)

1.8 (3.7)

20.2* (30.0)

1.3 (1.5)

0.8 (1.1)

 

Lymphocytes (%)

0.7 (1.2)

1.8 (2.7)

3.4* (3.4)

0.9 (0.8)

 

Macrophages (%)

16.8* (10.5)

29.1 (24.0)

38.6 (21.9)

35.9 (15.6)

Sputum mediators

sTNF-R55 (pg/ml)

658.2* (785.0)

64.4 (14.6)

97.2 (72.7)

169.2 (135.5)

 

sTNF R-75 (pg/ml)

222.7* (289.3)

64.3 (53.9)

87.6 (68.1)

84.6 (68.8)

 

LBP (ng/ml)

10.1 (11.2)

9.3 (6.3)

7.9 (8.3)

5.3 (5.7)

 

IL-8 (ng/ml)

5.5* (3.9)

2.6 (3.2)

2.7 (1.7)

2.4 (1.5)

Plasma mediators

sTNF-R55 (ng/ml)

2.0* (0.5)

1.6 (0.4)

1.5* (0.3)

1.8 (0.4)

 

sTNF-R75 (ng/ml)

2.0* (0.4)

1.7 (0.5)

1.4* (0.3)

1.5 (0.4)

 

LBP (μg/ml)

28.2* (11.2)

20.0 (4.7)

22.8 (6.5)

17.6* (4.5)

 

IL-8 (pg/ml)

7.7* (1.3)

7.1 (0.3)

7.2 (0.6)

7 (0.0)

  1. (*indicates statistical difference from total, p < 0.05, using univariate regression analysis) CB = chronic bronchitis; HS = healthy smokers