Table I.

BAL differential cell countsa

Normal SubjectsHP Patients
Macrophages82.6 ± 12.4214.9 ± 38.2*
Lymphocytes11.8 ± 2.8507.5 ± 100.2*
Neutrophils1.5 ± 0.747.0 ± 15.2*
Eosinophils0.6 ± 0.511.7 ± 3.9*
  • a Data are presented as thousands of cells/milliliter (mean ± SEM). *, Significantly different from normal subjects, p < 0.05 using a paired Student t test.