Table 1 Characteristics of subjects included in the exhaled breath condensate (EBC) study
From: The association between airway eosinophilic inflammation and IL-33 in stable non-atopic COPD
Healthy Non-smokers | Asthma | COPD | |
|---|---|---|---|
Number of subjects | 16 | 23 | 25 |
Sex (M/F) | 11/5 | 11/12 | 11/14 |
Age (years) | 56.75 ± 2.71 | 54.22 ± 3.05 | 66.96 ± 1.76ll** |
Pack-years | 0 | 0 | 39.10±3.70 |
Time since diagnosis (years) | – | 10.13 ± 2.34 | 4.46 ± 0.84‡ |
PB FEV1% of predicted (%) | 107.90 ± 3.23 | 82.59 ± 4.56 | 62.32 ± 2.76*† |
PB FEV1/FVC (%) | 76.32 ± 1.46 | 68.14 ± 2.38 | 54.03 ± 1.89*† |
Current smokers (%) | 0 | 0 | 32 |
Use of ICS (%) | 0 | 0 | 0 |
Atopic subjects (%) | 0 | 56.52 | 0 |
Blood eosinophil number (cells/μl) | 181 ± 35 | 315 ± 35§ | 242 ± 31 |
Blood eosinophil percentage (%) | 3.01 ± 0.54 | 4.74 ± 0.59§ | 3.16 ± 0.41 |