TABLE 1.

Recovery of cells and ELF from BAL specimens from 25 healthy subjectsa

BAL sampling time (h)No. of cells/liter% of cells (mean ± SD) of indicated type in BAL fluidMean ELF vol (ml) ± SD
MeanSDPolymorphonuclear leukocytesLymphocytesMonocytes/macrophagesEosinophilsDegenerated cells
41.5 × 1081.2 × 1081.0 ± 0.715.2 ± 14.478.4 ± 16.70.4 ± 0.95.0 ± 6.30.8 ± 0.1
81.5 × 1085.0 × 1071.2 ± 2.29.0 ± 3.880.2 ± 12.209.6 ± 11.81.2 ± 0.9
129.5 × 1071.9 × 1071.2 ± 1.18.0 ± 1.686.6 ± 4.20.2 ± 0.44.0 ± 4.00.8 ± 0.3
241.1 × 1082.8 × 1071.0 ± 1.025.2 ± 19.970.2 ± 17.00.6 ± 0.93.0 ± 5.20.7 ± 0.3
487.0 × 1071.9 × 1071.4 ± 1.912.4 ± 2.481.2 ± 10.405.0 ± 11.20.7 ± 0.3
  • a No significant differences among the groups for cell recovery, differential cell count, or the volume of ELF were found (P > 0.05). Comparison testing was not applied to zero values.