Table 1

Concentrations of total protein and IgM in bronchoalveolar lavage fluid

Group

Total protein (μg/ml)

IgM (ng/ml)

PBS (n = 5)

113 ± 26

2^a

MV (n = 6)

194 ± 11

43 ± 11^b

LPS (n = 5)

189 ± 12

10 ± 5

LPS + MV (n = 4)

190 ± 41

30 ± 20^c

Results are shown as means ± SEM. MV, mechanical ventilation. ^aUndetectable. The lower limit of the assay (2 ng/ml) was used for calculations. ^bp < 0.05 compared with the PBS group and with the lipopolysaccharide (LPS) group. ^cp < 0.05 compared with the PBS group.

O'Mahony et al. Critical Care 2006 10:R136   doi:10.1186/cc5050