Table 1

Changes in nucleated cells in BAL fluid during 40% oxygen exposure



pre
2 weeks
4 weeks
8 weeks
16 weeks

Macrophage (%)
40% oxygen

86.9 ± 4.0
88.8 ± 4.6
91.5 ± 3.4
92.8 ± 1.9

Room air
91.1 ± 2.3
89.8 ± 3.7
87.5 ± 5.0
92.4 ± 1.5
89.6 ± 3.6
Lymphocyte (%)
40% oxygen

12.1 ± 3.8
10.0 ± 4.6
7.0 ± 3.0
6.4 ± 1.9

Room air
8.1 ± 2.6
8.5 ± 2.4
10.9 ± 5.2
5.8 ± 0.8
9.2 ± 4.0
Neutrophil (%)
40% oxygen

1.1 ± 1.0
1.2 ± 0.8
1.5 ± 2.1
0.8 ± 0.8

Room air
0.8 ± 1.0
1.8 ± 2.1
1.5 ± 1.1
1.8 ± 0.8
1.2 ± 1.1

Values are mean ± SD.

Aoki et al. Respiratory Research 2008 9:37   doi:10.1186/1465-9921-9-37