Table 2 Characteristics of lung fluids obtained by s-Cath and mini-BAL

White blood cells (per microliter of sample fluid)

2067 ± 1193

771 ± 642

0.047

Neutrophils (%)

82 ± 19

66 ± 23

0.192

Macrophages (%)

14 ± 18

29 ± 24

0.227

Lymphocytes (%)

2.8 ± 1.7

3.6 ± 2.8

0.527

Eosinophils (%)

1.0 ± 1.2

1.0 ± 1.6

0.443

Epithelial cells

4/7

2/7

Protein concentration (g/dl)

25.3 ± 22.3

1.6 ± 2.0

0.048