TABLE 1.

Recovery of cells and ELF from BAL fluid

ParameterMean ± SD valuea at indicated time point (n)
3 h (4)5 h (4)8 h (4)18 h (4)24 h (4)
No. of cells/liter4.2 (±2.4) × 1087.7 (±6.5) × 1083.6 (±3.0) × 1084.2 (±1.1) × 1083.8 (±1.3) × 108
PMNs (%)5.5 ± 6.418.2 ± 12.114.8 ± 20.312.0 ± 20.07.0 ± 10.8
Lymphocytes (%)3.0 ± 2.22.0 ± 2.31.2 ± 1.52.0 ± 2.26.8 ± 5.1
Monocytes/macrophages (%)74.0 ± 41.478.8 ± 12.382.5 ± 19.985.8 ± 20.284.2 ± 17.3
Eosinophils (%)0.0 ± 0.00.5 ± 1.00.2 ± 0.50.0 ± 0.00.0 ± 0.0
Other cells (%)0.0 ± 0.00.5 ± 1.00.0 ± 0.00.0 ± 0.00.0 ± 0.0
Degenerated cells (%)17.5 ± 35.00.0 ± 0.01.2 ± 2.50.2 ± 0.52.0 ± 4.0
ELF volume (ml)1.1 ± 1.02.0 ± 1.51.3 ± 1.21.0 ± 0.60.8 ± 0.1
  • a No significant differences were found between time groups for cell recovery or ELF volume. PMNs, polymorphonuclear leukocytes; other cells, other unrecognizable cells.