From: Hemoglobin α and β are ubiquitous in the human lung, decline in idiopathic pulmonary fibrosis but not in COPD
Control (Prolonged cough)
BALF *
Control (Non-smokers)
Sputum
n
6
7
Age, yr
43 ± 9
50 ± 5
Sex, M/F
2/4
6/1
Smoking/non-smoking
6/1 **
0/7
FEV1
3.5 ± 0.5
4.1 ± 0.25
FVC
4.3 ± 0.6
5 ± 0.4