Table 2.

Bronchoalveolar lavage fluid features in alpha1-antitrypsin deficient individuals with normal pulmonary function and normal individuals

	Deficient	Normal	p-value
Returna	50.1 + 3.9	56.8 + 4.2	0.88
Total cells (ml−1 ELF)	1.4 × 107 + 0.25 × 107	1.2 × 107 + 0.19 × 107	0.25
Macrophages (%)	89.6 + 0.9	91.1 + 1.1	0.59
Neutrophils (%)	3.3 + 0.6	1.0 + 0.1	0.006b
Lymphocytes (%)	6.6 + 1.0	7.8 + 1.1	0.20
ELF volume (mL)	0.89 + 0.13	0.93 + 0.11	0.74

Values are expressed as mean and standard error of the mean (SE)

ELF epithelial lining fluid

^aPercentage of BALF recovered

^bSignificant difference