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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