Table 2

Changes in nucleated cells in BAL fluid during 90% oxygen exposure


pre
24 hours
48 hours
72 hours
96 hours
120 hours

Macrophage (%)
90.8 ± 3.8
85.6 ± 2.6
80.7 ± 3.2++
85.0 ± 3.3+
73.1 ± 5.7++
53.7 ± 7.7++
Lymphocyte (%)
8.3 ± 4.0
8.8 ± 0.8
16.0 ± 3.6++
4.0 ± 1.2+
7.5 ± 3.1
5.8 ± 1.7
Neutrophil (%)
0.8 ± 0.8
1.0 ± 2.2
0.0 ± 0.0
11.0 ± 2.7++
18.5 ± 7.0++
40.3 ± 7.8++
Eosinophil (%)
0.0 ± 0.0
4.6 ± 1.1++
3.3 ± 0.4++
0.0 ± 0.0
0.0 ± 0.0
0.0 ± 0.0

Values are mean ± SD. + p < 0.05, ++ p < 0.01 as compared to the pre-exposure level.

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